IMPINJ INC (PI) FY 2022 MD&A

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion and analysis together with our consolidated financial statements and the related notes to those statements included elsewhere in this report. This discussion contains forward-looking statements that involve risks and uncertainties. As a result of many factors, such as those set forth under “Risk Factors” and elsewhere in this report, our actual results may differ materially from those anticipated in these forward-looking statements.

Overview

Our vision is a boundless Internet of Things, or IoT. We are driving a future in which everyday physical items are wirelessly connected to digital counterparts, or digital twins, in the cloud, and in which businesses and people access information about an item from its digital twin. Our mission is to connect every thing. We deliver a platform that powers item-to-cloud connectivity, and on which solution providers innovate IoT whole products.

Today, we deliver the identity, location and authenticity of billions of physical items. We believe our future is extending that delivery to trillions of physical items and enabling ubiquitous access to cloud-based digital twins of those items, each storing an item’s ownership, history and links. We believe the item connectivity that our platform will deliver enhances businesses efficiencies and commerce and, ultimately, improve peoples’ lives.

Our platform, which comprises multiple product families, wirelessly connects individual items and delivers data about the connected items to business and consumer applications. We link the products within our platform to deliver capabilities and performance that surpasses mix-and-match solutions built from competitor products.

We and our partners connect the items via a miniature radio chip embedded in the item or in its packaging, reading and delivering each item’s identity, location and authenticity. To date, we have enabled connectivity to more than 75 billion items, enabling businesses and consumers to derive timely information from those connected items.

Our platform uses RAIN, a type of radio-frequency identification, or RFID, technology we pioneered. We spearheaded development of the RAIN radio standard, lobbied governments to allocate frequency spectrum and cofounded the RAIN Alliance that today has more than 150 member companies. Our industry uses free spectrum in 81 countries encompassing roughly 95% of the world’s GDP. We believe RAIN’s capabilities – in particular, endpoint ICs with serialized identifiers for individual items, battery-free operation, 30-foot range, not line-of-sight readability, up to 1,000 reads per second, low cost, essentially unlimited life and available cryptographic authentication – position RAIN to be the leading item-to-cloud connectivity technology for the IoT.

Factors Affecting Our Performance

Inventory Supply

From time to time, we experience inventory overages or shortages, either due to us misestimating customer or end-user demand; insufficient manufacturing capacity or product availability; market fluctuations; competitive product availability; macroeconomic fluctuations; changes in regulations or tariffs; or for a host of other reasons. These inventory dynamics can impact some or all of our products. High inventory levels can increase expenses, cause product obsolescence and/or increase reserves, negatively affecting our business. Low inventory levels can cause lengthened lead times, missed opportunities, market-share loss and/or damaged customer relationships, also negatively affecting our business. For example, in 2021 and 2022 we experienced IC wafer shortages relative to our needs because of high worldwide demand for foundry capacity. These shortages prevented us from fully meeting customer demand and, in some cases, caused customers to cancel orders, qualify alternative suppliers or purchase from our competitors.

In 2020, during the Covid-19 economic downturn, we built endpoint IC inventory. Beginning in fourth-quarter 2020, demand for our endpoint ICs increased dramatically. Worldwide wafer demand also increased dramatically, leading to wafer shortfalls in many industries, including ours. In first-quarter 2021, we consumed the inventory we built in 2020 at a pace that exceeded our first-quarter 2021 supply and post-processing capacity. In the second and third quarters, we moderated our sales and inventory burndown, stretching our IC supply but constraining our ability to fully capitalize on the increasing endpoint IC demand, while we also expanded and

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matured our post-processing capacity. Despite that moderation, by end of third-quarter 2021 we had mostly consumed our prebuilt inventory and demand for our endpoint ICs continued to exceed our ability to supply.

In 2022, wafer shortfalls in our process nodes continued, preventing us from fully capitalizing on our demand in every quarter of 2022. Although we did receive wafer upsides from our foundry partner that supported sequential increases in endpoint IC revenue each quarter, demand exceeded supply throughout the year. And because many of those upside wafers were 200mm rather than 300mm, we transitioned some customers back from our 300mm M700 family to our prior-generation 200mm Monza R6 product family, despite M700 being our primary market demand. In fourth-quarter 2022, our foundry partner signaled improving wafer supply. Regardless, we anticipate taking until at least second-half 2023 to begin building a sustainable level of endpoint IC finished goods inventory.

Throughout 2022 we were also unable to obtain enough reader components to meet reader market demand. Although component availability is starting to improve, some components remain stubbornly tight, and we expect that tightness to persist at least into first-half 2023. For reader ICs, we previously experienced long packaging lead times for our Indy reader ICs and testing delays for our new E-family reader ICs. The Indy lead times and E-family testing stabilized in second-half 2022.

In 2022 we saw cost increases for our endpoint IC wafers and for all systems products, which caused us to raise prices and potentially negatively impact our market competitiveness. Overall, the supply, packaging and test shortfalls, as well as cost increases, may decrease sales and cause market-share losses if our partners and end users buy competing products over ours, or choose to not deploy at all, negatively impacting our operating results and prospects.

Investing for Growth

We have invested in, and plan to continue investing in, research and development to enhance and extend our platform, including enhancing existing products, introducing new products and advancing the unique capabilities and features our platform enables. Although we sell our products into many end markets, relying significantly on our partner channel, we are today focusing particular attention on retail self-checkout and loss prevention and SC&L package tracking.

Most of our investments precede any sales benefits from the investments and, in some instances, we may never see any benefit if the market is not receptive to our approach, our product development is late or fails, or for other reasons. We sometimes enter into arrangements with end users, suppliers or partners for them to fund part of our investment, but even in those instances the investment results remain uncertain, and in some cases we may be required to refund the investment if the development is unsuccessful or the market opportunity fails to materialize. In some instances, we delay or cancel investments without or until we obtain such funding. The outcome of an investment is almost always uncertain, and if our results do not meet expectations then our operating results, profitability and stock price may be adversely affected.

While our long-term plan to invest for growth remains unchanged, Covid-19 and a weaker global economy has introduced new uncertainty to our business. We will continue to monitor the impacts of both on our supply chain, market and opportunities and adjust our investment strategy as appropriate.

Market Adoption

Our financial performance depends on the pace and scope of end-user adoption of our products in multiple industries, especially in retail apparel, which is our largest market. Covid-19 had a materially adverse impact on the retail industry, initially by shifting consumer shopping away from physical stores, then causing post-Covid supply shortfalls and retailer over-ordering and, in early 2023, inventory corrections at many retailers. Despite these retail macro trends, for the most part retail demand for our products exceeded our supply throughout 2022. Covid-19 also impacted other markets that use RAIN. For example, aviation, which had proposed widespread luggage tagging, saw delayed adoption. By contrast, SC&L experienced markedly increased shipment volumes which positively impacted adoption. Regardless, for the most part across all these industries, and for most of our products, demand exceeded supply throughout 2022.

Given the uncertainties in our market and product supply, the negative impacts of our insufficient 2022 supply and end user perceptions of the risks associated with insufficient supply, we cannot be certain that RAIN adoption will continue; that we will have appropriate product inventory; that we will not experience future product inventory shortfalls or overages; or that Covid-19 and a weaker global economy will not materially impact our

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business going forward. We also cannot be certain we will be able to maintain or grow our market share for any of our products, whether because of insufficient inventory, Covid-19, competitors copying our products, insufficient wafer or other product supply, competition generally or for a host of other reasons, many of which are outside our control.

Regardless of the uneven pace of retail, SC&L and other industry adoption, we believe the underlying, long-term trend is continued RAIN adoption and we continue investing in new products. In our endpoint IC business, in 2020 we introduced the Impinj M700 family, with significant performance advantages over other endpoint ICs on the market. We continue expanding the M700 family, for example with our introduction of the M780 and M781 in November 2022. In our systems business, in 2020 we introduced the Impinj R700 reader and in 2021 our Impinj E-family reader ICs, both of which likewise offer significant performance advantages over other readers and reader ICs on the market and for which we continue expanding the product families. Regardless, market adoption could be impacted by product availability—see the discussion of product availability under “Inventory Supply”.

We sell our products primarily through partners and distributors and therefore have limited visibility to end-user demand. Consequently, we may incorrectly forecast that demand or not identify market shifts in a timely manner, potentially adversely affecting our business. If RAIN market adoption, and adoption of our products specifically, does not meet our expectations, or if we are unable to meet partner or end-user volume or performance expectations, because of the impact of Covid-19, supply-chain disruption, macroeconomic conditions or otherwise, then our operating results and growth prospects will be adversely affected. If we reduce prices to win opportunities, then our gross margins may be negatively affected. In contrast, if our endpoint IC, reader IC, reader or gateway sales exceed expectations, then our revenue and profitability may be positively affected.

Timing and Complexity of End User Deployments

From 2010 to 2022, our endpoint IC sales volumes increased at a compounded annual growth rate of 26%. However, the pace has been uneven and unpredictable. For example, our endpoint IC unit sales volumes increased significantly in 2016, declined in second-half 2017 and in first-half 2018, returned to growth in second-half 2018 and in 2019 (the latter albeit not at the same pace as in 2016), declined again in second- and third-quarter 2020 due to Covid-19, and recovered in fourth-quarter 2020, in 2021 and in 2022. We expect short-term demand to remain unpredictable in scope and timing. Longer term, we believe our endpoint IC opportunity will continue to grow, but we cannot predict whether historical annual growth rates are indicative of the pace of future growth.

Our systems business, at least for our readers and gateways, is impacted by large-scale deployments at discrete end users. The timing of those large deployments causes large variability in our systems revenue. For example, we generated 14% of total 2019 revenue from a large North American SC&L provider in connection with a project-based gateway deployment. We did not have comparable new project-based revenue in 2020. As another example, in second-quarter 2021, we generated 13% of our quarterly revenue from a project-based gateway deployment for RAIN-based self-checkout and loss prevention at a large European-based global retailer.

Finally, although we promote our platform as an integrated offering, we sell our products individually, and end users often use only certain of our products. For any given end-user solution, whether an end user chooses to deploy our entire platform or only a portion will also affect our operating results.

Average Selling Price

Our product ASPs fluctuate based on competitive pressures and the discounting we offer to win opportunities, but generally decline over time. Historically, we have been able to compensate these ASP declines by reducing the per-unit cost of most of our products, by reducing supplier costs and implementing manufacturing and quality improvements, as well as by introducing newer and lower-cost products, but the timing of these cost reductions and new-product introductions fluctuates and may not materialize in any given quarter or year. In second-half 2021, due to wafer and component supply shortfalls at many of our suppliers, we began experiencing increasing rather than decreasing costs for both endpoint ICs and systems. In 2022, we raised prices to offset the impact of those increased costs. Many of our vendors and subcontractors have signaled future price increases, including our wafer foundry partner. Such increases, if or when they occur, could cause us to pass the higher costs to our customers. If we are unable to successfully increase our prices or if our customers choose competitors’ products due to our higher prices, then our product margins, operating results or both may suffer. In the near term, we expect product margins to be volatile based on product mix and the timing of our price changes.

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Seasonality

We typically renegotiate pricing with most of our endpoint IC OEMs with an effective date of the first quarter of the calendar year, reducing revenue and gross margins in the first quarter compared to prior periods. Historically, the impact tends to decline in subsequent quarters as we reduce costs and, to the extent we can migrate our partners and end users to newer, lower-cost products, adjust product mix. Endpoint IC volumes also tend to be historically lower in the fourth quarter than in the third quarter. We did not see these historical trends in 2022 and may not see them in 2023.

System sales tend to be stronger in the fourth quarter of the calendar year, and less strong in the first quarter. We believe this seasonality is due to the availability of residual funding for capital expenditures prior to the end of many end users’ fiscal years. Like for our endpoint ICs, we did not see these historical trends in 2022 and may not see them in 2023.

While, over the long term, we expect these seasonal trends to continue, quarter-to-quarter revenue variability from factors including supply uncertainty, deployment timing, competitor products and supply-chain disruptions can all mask seasonality in any given period. These variabilities, as well as other risks and uncertainties, including but not limited to the impacts of Covid-19, can cause our actual results to differ significantly from our expectations, as described in greater detail in the sections of this report captioned “—Covid-19” and in Part I, Item 1A (Risk Factors).

Covid-19

We are actively monitoring and mitigating the impacts of Covid-19 in all aspects of our business, including for our employees, suppliers, partners and end users.

In 2021 and 2022, as the worldwide economy began recovering from the downturn caused by Covid-19, demand for all our products increased. Unfortunately, at the same time, we experienced supply constraints and higher costs that limited our ability to fully capitalize on the increased demand, as discussed above.

Given the ongoing uncertainty over Covid-19’s epidemiological, economic and operational impacts we cannot reasonably estimate the extent or duration of Covid-19’s continuing impact on our business. The extent to which Covid-19 impacts our future results will depend on developments that are inherently unpredictable, including the emergence of new Covid-19 variants and actions we and others take in response to Covid-19.

For more information on Covid-19’s impact on our business, please refer to Part I, Item 1A (Risk Factors) of this report.

Results of Operations

Year ended December 31, 2022 compared with year ended December 31, 2021

Revenue and gross profit increased, due primarily to higher endpoint IC and systems revenue. The endpoint IC revenue increase was driven primarily by higher ASP and shipment volumes when compared to the prior year period. Gross margin increased, due primarily to increased product margins. The increased product margins were driven primarily by an increase in endpoint IC margins due to product mix. Loss from operations decreased, due primarily to increased gross profit offset by increased operating expenses. The operating-expense increase was due primarily to higher research and development, sales and marketing and general and administrative personnel costs; non-settlement-related legal fees; higher stock-based compensation expense; higher infrastructure costs; and higher marketing and advertising costs; offset by lower restructuring expenses.

Year ended December 31, 2021 compared with year ended December 31, 2020

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Revenue and gross profit increased, due primarily to higher endpoint IC and systems revenue. Gross margin increased, due primarily to 2020 excess and obsolescence charges as well as 2021 sales of fully reserved inventory and increased product margins. The increased product margins were driven primarily by an increase in endpoint IC margins due to product mix. Loss from operations decreased, due primarily to increased gross profit offset by increased operating expenses. The increase in operating expenses was due primarily to increased stock-based compensation expense; increased research and development and sales and marketing personnel expenses; and increased non-settlement-related legal fees.

Revenue

We currently derive substantially all our revenue from sales of endpoint ICs, reader ICs, readers and gateways. We sell our endpoint ICs primarily to inlay manufacturers; our reader ICs primarily to OEMs and ODMs through distributors; and our readers and gateways to solutions providers, VARs and SIs, also primarily through distributors. We expect endpoint IC sales to represent the majority of our revenue for the foreseeable future.

Year ended December 31, 2022 compared with year ended December 31, 2021

Endpoint IC revenue increased $52.3 million, due primarily to a $35.5 million increase from higher ASPs and a $16.8 million increase from higher shipment volumes. The ASP increase was due primarily to price increases we implemented to offset higher product costs as discussed above under "—Factors Affecting Our Performance—Average Selling Price" and product mix, the latter from a higher contribution from industrial and specialty ICs.

Systems revenue increased $15.2 million, due primarily to increases of $7.6 million in reader IC revenue, $4.9 million in gateway revenue and $3.3 million in reader revenue offset by a decrease of $913,000 in nonrecurring engineering, or NRE, revenue. The reader IC and gateway revenue increases were due primarily to higher shipment volumes; the reader revenue increase was due primarily to higher ASPs.

For more information, see the sections captioned “—Factors Affecting Our Performance—Inventory Supply” and “Shortages of silicon wafers and components used in our readers and gateways may adversely affect our ability to meet demand for our products and adversely affect our revenue and/or gross margins”.

Year ended December 31, 2021 compared with year ended December 31, 2020

Endpoint IC revenue increased $36.9 million, due primarily to a $44.5 million increase in shipment volumes, offset by a $7.6 million decrease due to lower ASPs. The increase in shipment volumes was due, in part, to 2020 volumes being low, a result of Covid-19 which negatively impacted several markets we sell to, including retail, our largest endpoint IC market, as well as growth in our customers’ underlying business. The ASP decrease was due to our annual price negotiations as discussed above under “—Factors Affecting Our Performance—Seasonality” and product mix with a higher contribution from our M700 product line which has a lower ASP, both of which were slightly offset by higher contribution from industrial and specialized products.

Systems revenue increased $14.4 million, due primarily to increases of $12.2 million in reader revenue, $1.4 million in gateway revenue and $629,000 in NRE revenue. Reader revenue increased primarily due to higher shipment volumes and ASPs, gateway revenue increased primarily due to higher ASPs; and NRE revenue increased due to timing of revenue recognition.

Gross Profit and Gross Margin

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Cost of revenue includes costs associated with manufacturing our endpoint ICs, reader ICs, readers and gateways, including direct materials and outsourced manufacturing costs as well as associated overhead costs such as logistics, quality control, planning and procurement. Cost of revenue also includes charges for excess and obsolescence and warranty costs. Our gross margin varies from period to period based on mix of endpoint IC and systems, underlying product margins driven by changes in ASPs or costs, as well as from inventory excess and obsolescence charges.

Year ended December 31, 2022 compared with year ended December 31, 2021

Cost of revenue increased $28.6 million, due primarily to increased endpoint IC and systems revenue. Gross margin increased, due primarily to increased product margins, with fluctuations that offset one another related to reduced sales of fully reserved inventory and higher indirect costs. The product-margin increase was due primarily to higher endpoint IC margins from a higher revenue contribution from industrial and specialty ICs. Sales of fully reserved inventory had an immaterial gross margin impact for the year ended December 31, 2022, compared to a favorable gross margin impact of 1.5% for the year ended December 31, 2021.

Year ended December 31, 2021 compared with year ended December 31, 2020

Cost of revenue increased $17.5 million, due primarily to increased endpoint IC and systems revenue. Gross margin increased 5.1%, due to inventory excess and obsolescence charges that had an unfavorable net gross margin impact of 2.2% in 2020, sales of fully reserved inventory that had a positive 1.5% impact in 2021, and increased underlying product margins primarily related to favorable endpoint IC product mix with an increasing mix of M700 and higher contribution from industrial and specialty ICs.

Operating Expenses

Research and Development

Research and development expense comprises primarily personnel expenses (salaries, benefits and other employee related costs) and stock-based compensation expense for our product-development personnel; product development costs which include external consulting and service costs, prototype materials and other new-product development costs; and an allocated portion of infrastructure costs which include occupancy, depreciation and software costs. We expect research and development expense to increase in absolute dollars in future periods as we focus on new product development and introductions.

Year ended December 31, 2022 compared with year ended December 31, 2021

Research and development expense increased $10.0 million, due primarily to increases of $6.6 million in personnel expenses from higher headcount and a change in bonus payment structure from 100% PSUs to 50% cash and 50% PSUs, $1.9 million in infrastructure costs primarily from increased software costs, and $793,000 in stock-based compensation expense related primarily to increased outstanding equity grants.

Year ended December 31, 2021 compared with year ended December 31, 2020

Research and development expense increased $15.5 million, due primarily to increases of $6.9 million in stock-based compensation expense primarily related to PSU grant timing, and to a lesser extent, an increased number of equity grants outstanding. Other major factors driving the increase included $4.6 million in personnel expenses from higher headcount; $2.9 million in product-development costs; and $1.1 million in infrastructure costs from increased software costs.

Sales and Marketing

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Sales and marketing expense comprises primarily personnel expenses (salaries, incentive sales compensation, or commission, benefits and other employee-related costs) and stock-based compensation expense for our sales and marketing personnel; travel, advertising and promotional expenses; and an allocated portion of infrastructure costs which include occupancy, depreciation and software costs.

Year ended December 31, 2022 compared with year ended December 31, 2021

Sales and marketing expense increased $3.6 million, due primarily to increases of $2.9 million in personnel expenses from higher headcount and the change in bonus payment structure from 100% PSUs to 50% cash and 50% PSUs, and $554,000 in marketing and advertising expenses.

Year ended December 31, 2021 compared with year ended December 31, 2020

Sales and marketing expense increased $5.6 million, due primarily to increases of $3.5 million in stock-based compensation expense primarily related to PSU grant timing, and an increased number of equity grants outstanding. Other major factors driving the increase included $2.2 million in personnel expenses from higher salaries and benefits, and commissions as a result of our increased revenue.

General and Administrative

General and administrative expense comprises primarily personnel expenses (salaries, benefits and other employee related costs) and stock-based compensation expense for our executive, finance, human resources and information technology personnel; legal, accounting and other professional service fees; travel and insurance expense; and an allocated portion of infrastructure costs which include occupancy, depreciation and software costs.

Year ended December 31, 2022 compared with year ended December 31, 2021

General and administrative expense increased $9.3 million, due primarily to a $4.4 million increase in non-settlement-related legal fees, $2.3 million in personnel expenses from higher headcount and the change in bonus payment structure from 100% PSUs to 50% cash and 50% PSUs, and $1.6 million in stock-based compensation expense related primarily to increased outstanding equity grants.

Year ended December 31, 2021 compared with year ended December 31, 2020

General and administrative expense increased $1.2 million due primarily to increases of $3.6 million in stock-based compensation expense primarily related to PSU grant timing, and an increased number of equity grants outstanding. Other major factors comprising the increase included $3.1 million in professional services primarily related to non-settlement related legal fees offset by decreases of $5.8 million in settlement and related costs incurred in 2020.

Restructuring costs

On February 2, 2021, we restructured our go-to-market organization to strategically align our global sales, product, partner development and marketing teams. We eliminated approximately seven full-time positions in our go-to-market organization, representing roughly 2% of our workforce. Restructuring charges were immaterial for the year ended December 31, 2022. We incurred restructuring charges of $1.7 million for employee termination benefits as well as $50,000 in other associated legal costs for the year ended December 31, 2021. We substantially completed our restructuring by June 30, 2021. For further information on this restructuring, please refer to Note 17 to our consolidated financial statements included elsewhere in this report.

Other Income, Net

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Other income, net comprises primarily interest income on our short-term investments.

Year ended December 31, 2022 compared with year ended December 31, 2021

Other income, net increased $2.5 million, due primarily to higher interest rates on our short and long-term investments.

Year ended December 31, 2021 compared with year ended December 31, 2020

Other income, net decreased $625,000, due primarily to lower interest rates on our short and long-term investments.

Induced Conversion Expense

In November 2021 and June 2022, we completed a privately negotiated repurchase of $76.4 million and $9.85 million principal amounts, respectively, of the 2019 Notes (“2019 Note Repurchase”). We accounted for the 2019 Notes Repurchase transactions as an induced conversion in accordance with Accounting Standards Codification 470-20, Debt with Conversion and Other Options (ASC 470-20). We recorded $11.3 million and $2.2 million in induced conversion expense in our Consolidated Statements of Operations for the years ended December 31, 2021 and December 31, 2022, respectively. The induced conversion expense represents the fair value of the consideration issued upon conversion in excess of the fair value of the securities issuable under the original terms of the 2019 Notes. For further information on the 2019 Notes, please refer to Note 7 to our consolidated financial statements included elsewhere in this report.

Interest Expense

Interest expense comprises primarily cash interest, amortization of debt issuance costs and debt discount.

In August 2020, the FASB issued guidance on debt with conversion and other options, or ASU 2020-06. On January 1, 2021, we adopted ASU 2020-06 using the modified retrospective transition method, accounting for the 2019 Notes on a whole-instrument basis. Our consolidated financial statements for the years ended December 31, 2021 and December 21, 2022 use the new standard and we no longer record amortization of debt discount. We have not adjusted the comparative prior reporting period.

Year ended December 31, 2022 compared with year ended December 31, 2021

Interest expense increased $2.4 million, due primarily to us issuing the $287.5 million aggregate principal amount of the 2021 Notes in November 2021, due May 15, 2027. For further information on the 2021 Notes, please refer to Note 7 to our consolidated financial statements included elsewhere in this report.

Year ended December 31, 2021 compared with year ended December 31, 2020

Interest expense decreased $2.9 million, due primarily to the fact we no longer record amortization of debt discount as noted above, and to a lesser extent, the impact of our repurchase of $76.4 million principal amount of the 2019 convertible senior notes in November 2021. For further information on the 2019 Notes, please refer to Note 7 to our consolidated financial statements included elsewhere in this report.

Income Tax Expense

We are subject to federal and state income taxes in the United States and foreign jurisdictions.

Year ended December 31, 2022 compared with year ended December 31, 2021

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Income tax expense remained comparable to the prior period.

Year ended December 31, 2021 compared with year ended December 31, 2020

Income tax expense remained comparable to the prior period.

Non-GAAP Financial Measures

Our key non-GAAP performance measures include adjusted EBITDA and non-GAAP net income (loss), as defined below. We use adjusted EBITDA and non-GAAP net income (loss) as key measures to understand and evaluate our core operating performance and trends, to prepare and approve our annual budget and to develop short- and long-term operating plans. We believe these measures provide useful information for period-to-period comparisons of our business to allow investors and others to understand and evaluate our operating results in the same manner as our management and board of directors. Our presentation of these non-GAAP financial measures is not meant to be considered in isolation or as a substitute for our financial results prepared in accordance with GAAP, and our non-GAAP measures may be different from similarly termed non-GAAP measures used by other companies.

Adjusted EBITDA

We define adjusted EBITDA as net income (loss) determined in accordance with GAAP, excluding, if applicable for the periods presented, the effects of stock-based compensation; depreciation; restructuring costs; settlement and related costs; induced conversion expense; other income, net; interest expense; loss on debt extinguishment; and income tax benefit (expense). We have excluded these costs and expenses because we do not believe they reflect our core operations and us excluding them enables more consistent evaluation of our operating performance. The following table presents a reconciliation of net loss to adjusted EBITDA:

Non-GAAP Net Income (Loss)

We define non-GAAP net income (loss) as net income (loss), excluding, if applicable for the periods presented, the effects of stock-based compensation; depreciation; restructuring costs; settlement and related costs; induced conversion expense; amortization of debt discount related to the equity component of our convertible notes; and prepayment penalty on debt extinguishment.

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GAAP requires that certain convertible debt instruments that may be settled in cash on conversion be accounted for as separate liability and equity components in a manner that reflects our non-convertible debt borrowing rate. This accounting results in the debt component being treated as though it was issued at a discount, with the debt discount being amortized as additional non-cash interest expense over the debt instrument term using the effective interest method. As a result, we believe that excluding this non-cash interest expense attributable to the debt discount in calculating our non-GAAP net income (loss) is useful because this interest expense is not indicative of our ongoing operational performance. On January 1, 2021, we adopted ASU 2020-06 using the modified retrospective transition method, accounting for the 2019 Notes on a whole-instrument basis. Our consolidated financial statements for the year ended December 31, 2021 use the new standard and we no longer record amortization of debt discount.

The following table presents a reconciliation of net loss to non-GAAP net income (loss):

Liquidity and Capital Resources

As of December 31, 2022, we had cash, cash equivalents and short-term investments of $173.7 million, comprising cash deposits held at major financial institutions and short-term investments in a variety of securities, including U.S. government securities, treasury bills, corporate notes and bonds, commercial paper, asset-backed securities and money market funds. As of December 31, 2022, we had working capital of $232.8 million.

Historically, we have funded our operations primarily through cash generated from operations and by issuing equity securities, convertible-debt offerings and/or borrowing under our prior senior credit facility. In 2022, our principal uses of cash were funding operations to capture our market opportunity and capital expenditures.

We believe, based on our current operating plan, that our existing cash, cash equivalents and short-term investments will be sufficient to meet our anticipated cash needs for at least the next 12 months. Over the longer term, we plan to continue investing to enhance and extend our platform. If our available funds are insufficient to fund our future activities or execute our strategy, then we may raise additional capital through equity, equity-linked or debt financing, to the extent such funding sources are available. Alternatively, we may need to reduce expenses to manage liquidity; however, any such reductions could adversely impact our business and competitive position.

Sources of Funds

From time to time, we may explore additional financing sources and ways to reduce our cost of capital, including equity, equity-linked and debt financing. In addition, in connection with any future acquisitions, we may pursue additional financing which may be debt, equity or equity-linked financing or a combination thereof. We can provide no assurance that any additional financing will be available to us on acceptable terms.

2019 Notes

In December 2019, we issued the 2019 Notes in an aggregate principal amount of $86.3 million. The 2019 Notes were a senior unsecured obligation, bearing interest at a fixed rate of 2.00% per year, payable semi-annually in arrears on June 15 and December 15 of each year, beginning on June 15, 2020. The 2019 Notes were convertible into cash, shares of our common stock or a combination thereof, at our election, and matured on December 15, 2026, unless earlier repurchased, redeemed or converted in accordance with the indenture terms.

The net proceeds from the 2019 Notes were approximately $83.5 million after fees and expenses. We used some of the net proceeds to pay the cost of the capped-call transactions and repay our senior credit facility, and the rest for general corporate purposes.

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In November 2021, we completed a privately negotiated repurchase of $76.4 million principal amount of the 2019 Notes, accounting for the transaction as an induced conversion in accordance with Accounting Standards Codification 470-20, Debt with Conversion and Other Options (ASC 470-20). We paid approximately $183.6 million in cash and accrued and unpaid interest thereon in connection with the induced conversion.

In June 2022, we repurchased the remaining $9.85 million principal amount of the 2019 Notes accounting for the transaction as an induced conversion in accordance with ASC 470-20. We paid approximately $17.6 million in cash and accrued and unpaid interest thereon in connection with the induced conversion.

For further information on the terms of this debt, please refer to Note 7 to our consolidated financial statements included elsewhere in this report.

2021 Notes

In November 2021, we issued the 2021 Notes in an aggregate principal amount of $287.5 million. The 2021 Notes are our senior unsecured obligation, bearing interest at a fixed rate of 1.125% per year, payable semi-annually in arrears on May 15 and November 15 of each year, beginning on May 15, 2022. The 2021 Notes are convertible into cash, shares of our common stock or a combination thereof, at our election, and will mature on May 15, 2027 unless earlier repurchased, redeemed or converted in accordance with the indenture terms.

The net proceeds from the 2021 Notes were approximately $278.4 million after initial debt issuance costs, fees and expenses. We used approximately $183.6 million of the net proceeds to repurchase approximately $76.4 million aggregate principal amount of the 2019 Notes through individual privately negotiated transactions concurrent with the 2021 Notes offering. We used $17.6 million to repurchase the remaining $9.85 million aggregate principal of the 2019 Notes through individual privately negotiated transactions in June 2022. Please refer to the section “Repurchase of the Convertible Senior Notes – 2019” as described in Note 7 to our consolidated financial statements included elsewhere in this report. We will use the rest of the net proceeds for general corporate purposes.

For further information on the terms of this debt, please refer to Note 7 to our consolidated financial statements included elsewhere in this report.

Historical Cash Flow Trends

The following table shows a summary of our cash flows for the periods indicated:

Operating Cash Flows

For the year ended December 31, 2022, we generated $641,000 of net cash from operating activities. These net cash proceeds were due primarily to $27.8 million of net loss adjusted for non-cash items, partially offset by $27.2 million of working capital usage due primarily to higher inventory and accounts receivable offset by higher accounts payable.

For the year ended December 31, 2021, we generated $6.5 million of net cash from operating activities. The net cash proceeds were driven primarily by $6.2 million of net loss adjusted for non-cash items and $288,000 of working capital contribution.

For the year ended December 31, 2020, we used $16.9 million of net cash from operating activities. The net cash usage was driven primarily by $17.8 million of net loss adjusted for non-cash items, partially offset by $963,000 of working capital contribution.

Investing Cash Flows

For the year ended December 31, 2022, we used $102.8 million of net cash from investing activities. This net cash usage was due primarily to investments and equipment purchases of $205.8 million and $12.1 million, respectively, partially offset by investment maturities of $114.8 million.

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For the year ended December 31, 2021, we used $18.6 million of net cash from investing activities. The net cash usage was driven primarily by investments and equipment purchases of $84.4 million and $16.2 million, respectively, partially offset by investment maturities of $82 million.

For the year ended December 31, 2020, we used $36.3 million of net cash from investing activities. The net cash usage was driven primarily by investments and equipment purchases of $82.7 million and $3.1 million, respectively, partially offset by investment maturities of $49.5 million.

Financing Cash Flows

For the year ended December 31, 2022, we used $2.2 million of net cash from financing activities. This net cash usage was due primarily to $17.6 million to repurchase the remaining $9.85 million aggregate principal amount of the 2019 Notes described in the section “Repurchase of the Convertible Senior Notes – 2019” as described in Note 7 to our consolidated financial statements included elsewhere in this report. Other major factors included $15.4 million from stock options exercises and our employee stock-purchase plan, or ESPP.

For the year ended December 31, 2021, we generated $112.4 million of net cash from financing activities. The net cash proceeds were driven primarily by $278.4 million net proceeds from issuing the 2021 Notes. This amount was offset by $183.6 million for the cash repurchase of approximately $76.4 million aggregate principal amount of the 2019 Notes through individual privately negotiated transactions concurrent with the offering of the 2021 Notes described in the section “Repurchase of the Convertible Senior Notes – 2019” as described in Note 7 to our consolidated financial statements included elsewhere in this report. Other major factors included $17.6 million from exercised stock options and our employee stock purchase plan.

For the year ended December 31, 2020, we generated $9.9 million of net cash from financing activities. The net cash proceeds were driven primarily by $10.2 million from exercised stock options and our employee stock purchase plan.

Contractual Obligations

The following table reflects a summary of our contractual obligations as of December 31, 2022:

(1) The 2021 Notes include $14.6 million in interest payments.

(2) Purchase commitments comprise primarily noncancelable commitments to purchase $87.9 million of inventory as of December 31, 2022 and noncancelable software license agreements with vendors and equipment purchases.

Off-Balance-Sheet Arrangements

Since inception, we have not had any relationships with unconsolidated entities, such as entities often referred to as structured finance or special-purpose entities, or financial partnerships that would have been established for the purpose of facilitating off-balance-sheet arrangements or for another contractually narrow or limited purpose.

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Critical Accounting Policies and Significant Estimates

Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements which we have prepared in accordance with GAAP. Our preparation of these consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets and liabilities and related disclosure of contingent assets and liabilities, revenue and expenses at the date of the consolidated financial statements. Generally, we base our estimates on historical experience and on various other assumptions, in accordance with GAAP, that we believe to be reasonable under the circumstances. Our actual results may differ from these estimates under other assumptions or conditions.

Critical accounting policies and estimates are those we consider the most important to the portrayal of our financial condition and results of operations because they require our most difficult, subjective or complex judgments, often as a result of the need to make estimates about the effect of matters that are inherently uncertain. Our critical accounting policies and estimates include those related to:

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revenue recognition;

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inventory;

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income taxes; and

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stock-based compensation.

Revenue Recognition

We generate revenue primarily from sales of hardware products. We also generate revenue from software, extended warranties, enhanced maintenance, support services and NRE development services, none of which are material.

We recognize revenue when we transfer control of the promised goods or services to our customers, which for hardware sales is generally at the time of product shipment as determined by agreed-upon shipping terms. We measure revenue based on the amount of consideration we expect to be entitled-to in exchange for those goods or services. We expect the period between when we transfer control of promised goods or services and when we receive payment to be one year or less, and that expectation is consistent with our historical experience. As such, we do not adjust our revenue for the effects of a significant financing component. We recognize any variable consideration, which comprises primarily sales incentives, as revenue reduction at the time of revenue recognition. We estimate sales incentives based on our historical experience and current expectations at the time of revenue recognition and update them at the end of each reporting period as additional information becomes available.

Our reader and gateway products are highly dependent on embedded software and cannot function without this embedded software. We account for the hardware and embedded software as a single performance obligation and recognize revenue when control is transferred.

Our customer contracts with multiple performance obligations generally include a combination of hardware products, standalone software, extended warranty, enhanced maintenance and support services. For these contracts, we account for individual performance obligations separately if they are distinct. We allocate the transaction price to the separate performance obligations on a relative standalone selling-price basis. In instances where the standalone selling price is not directly observable, such as when we do not sell the product or service separately, we determine the standalone selling price using one, or a combination of, the adjusted market assessment or expected cost-plus margin. We defer amounts allocated to extended warranty and enhanced maintenance sold with our reader and gateway products and recognize them on a straight-line basis over the term of the arrangement, which is typically from one to three years. We defer amounts allocated to support services sold with our reader and gateway products and recognize them when we transfer control of the promised services to our customers.

For NRE development agreements that involve significant production, modification or customization of our products, we generally recognize revenue over the performance period using the cost-input method because it best depicts the transfer of services to the customer. We receive payments under these agreements based on a billing schedule. Contract assets relate to our conditional right to consideration for our completed performance under these agreements. We record accounts receivable when the right to consideration becomes unconditional. For the periods presented in this report, our contract assets, deferred revenue and the value of unsatisfied performance obligations for NRE development agreements are not material.

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If a customer pays consideration before we transfer a good or service under the contract, then we classify those amounts as contract liabilities, or deferred revenue. We recognize contract liabilities as revenue when we transfer control of the promised goods or services to our customers.

Payment terms typically range from 30 to 120 days. We present revenue net of sales tax in our consolidated statements of operations. We include shipping charges billed to customers in revenue and the related shipping costs in cost of revenue.

Practical Expedients and Exemptions: We expense sales commissions when incurred because we expect the amortization period to be one year or less. We record these costs within sales and marketing expenses. We do not disclose the value of unsatisfied performance obligations for (1) contracts with an original expected length of one year or less and (2) contracts for which we recognize revenue at the amount to which we have the right to invoice for services performed.

Inventory

We state inventories at the lower of cost or estimated net realizable value using the average costing method, which approximates a first-in, first-out method. Inventories comprise raw materials, work-in-process and finished goods. We continuously assess the value of our inventory and write down its value for estimated excess and obsolete inventory. This evaluation includes an analysis of inventory on hand, current and forecasted demand, product development plans, and market conditions. If future demand or market conditions are less favorable than our projections, or our product development plans change from current expectations, then a write-down of excess or obsolete inventory may be required and would be reflected in cost of goods sold in the period the updated information is known.

Income Taxes

We use the asset and liability approach for accounting, which requires recognizing deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial statement and tax bases. We measure deferred tax assets and liabilities using enacted tax rates expected to be in effect when the assets and liabilities are recovered or settled. We recognize the effects of a change in tax rates on deferred tax assets and liabilities in the year that of the enactment date. We determine deferred tax assets, including historical net operating losses and deferred tax liabilities, based on temporary differences between the book and tax bases of the assets and liabilities. We believe that it is currently more likely than not that our deferred tax assets will not be realized and, as such, we have recorded a full valuation allowance for these assets. We evaluate the likelihood of our ability to realize deferred tax assets in future periods on a quarterly basis, and if evidence indicates we will be able to realize some or all of our deferred tax assets then we will revise our valuation allowance accordingly.

We use a two-step approach for evaluating uncertain tax positions. First, we evaluate recognition, which requires us to determine if the weight of available evidence indicates that a tax position is more likely than not to be sustained upon audit, including resolution of related appeals or litigation processes. If we consider a tax position more likely than not to be unsustained, then no benefits of the position are recognized. Second, we measure the uncertain tax position based on the largest amount of benefit which is more likely than not to be realized on effective settlement. This process involves estimating our actual current tax exposure, including assessing the risks associated with tax audits, together with assessing temporary differences resulting from the different treatment of items for tax and financial reporting purposes. If actual results differ from our estimates, then our net operating loss and credit carryforwards could be materially impacted.

Us realizing the benefits of the NOLs and credit carryforwards depends on sufficient taxable income in future years. We have established a valuation allowance against the carrying value of our deferred tax assets, as it is currently more likely than not we will be unable to realize these deferred tax assets. In addition, using NOLs and credits to offset future income subject to taxes may be subject to substantial annual limitations due to the “change in ownership” provisions of the Code and similar state provisions. Events that cause limitations in the amount of NOLs that we may use in any one year include, but are not limited to, a cumulative ownership change of more than 50%, as defined by Code Sections 382 and 383, over a three-year period. Using our NOLs and tax credit carryforwards could be significantly reduced if a cumulative ownership change of more than 50% has occurred in our past or occurs in our future.

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We do not anticipate that the amount of our existing unrecognized tax benefits will significantly increase or decrease within the next 12 months. Due to the presence of NOLs in most jurisdictions, our tax years remain open for examination by taxing authorities back to 2000.

Stock-Based Compensation

We have various equity award plans (“Plans”) for granting share-based awards to employees, consultants and non-employee directors of the Company. The Plans provide for granting several available forms of stock compensation such as stock option awards, restricted stock units, or RSUs, RSUs with performance conditions, or PSUs, and RSUs with market and service conditions, or MSUs.

We measure stock-based compensation costs for all share-based awards at fair value on the measurement date, which is typically the grant date. We determine the fair value of stock options using the Black-Scholes option-pricing model, which considers, among other things, estimates and assumptions on the expected life of the options, stock price volatility and market value of the Company’s common stock. We determine the fair value of RSUs and PSUs based on the closing price of our common stock at grant date. Additionally, for awards with a market condition, we use a Monte Carlo simulation model to estimate grant date fair value, which takes into consideration the range of possible stock price of total stockholder return outcomes.

Recent Accounting Pronouncements

For information on recent accounting pronouncements, please refer to Note 2 in our consolidated financial statements included elsewhere in this report.