Biggest changeThe following are examples of end market applications for the fiscal years presented: Communications and Computing Industrial and Automotive Consumer Licensing and Services Wireless Security and Surveillance Cameras IP Royalties Wireline Machine Vision Displays Adopter Fees Data Backhaul Industrial Automation Wearables IP Licenses Server Computing Robotics Televisions Patent Sales Client Computing Automotive Home Theater Data Storage Drones The composition of our revenue by end market is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Communications and Computing $ 217,960 42.3 % $ 174,656 42.8 % $ 155,821 38.6 % 24.8 % 12.1 % Industrial and Automotive 226,240 43.9 168,323 41.2 151,607 37.5 34.4 11.0 Consumer 50,652 9.8 45,523 11.2 75,120 18.6 11.3 (39.4 ) Licensing and Services 20,475 4.0 19,618 4.8 21,545 5.3 4.4 (8.9 ) Total revenue $ 515,327 100.0 % $ 408,120 100.0 % $ 404,093 100.0 % 26.3 % 1.0 % Revenue from the Communications and Computing end market increased by 25% in fiscal 2021 compared to fiscal 2020 primarily due to increased demand for applications in data center servers, client computing platforms, and 5G infrastructure.
Biggest changeWe assign this revenue first to a specific end market using historical and anticipated usage of the specific products, if possible, and allocate the remainder to the end markets based on either historical usage for each product family or industry application data for certain product types. 27 Table of Contents The following are examples of end market applications for the fiscal years presented: Communications and Computing Industrial and Automotive Consumer Licensing and Services Wireless Security and Surveillance Cameras IP Royalties Wireline Machine Vision Displays Adopter Fees Data Backhaul Industrial Automation Wearables IP Licenses Server Computing Robotics Televisions Patent Sales Client Computing Automotive Home Theater Data Storage Drones The composition of our revenue by end market is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Communications and Computing $ 274,754 41.6 % $ 217,960 42.3 % $ 174,656 42.8 % 26.1 % 24.8 % Industrial and Automotive 319,399 48.4 226,240 43.9 168,323 41.2 41.2 34.4 Consumer 49,064 7.4 50,652 9.8 45,523 11.2 (3.1 ) 11.3 Licensing and Services 17,139 2.6 20,475 4.0 19,618 4.8 (16.3 ) 4.4 Total revenue $ 660,356 100.0 % $ 515,327 100.0 % $ 408,120 100.0 % 28.1 % 26.3 % Revenue from the Communications and Computing end market increased by 26% in fiscal 2022 compared to fiscal 2021 primarily due to content expansion in datacenter servers, new greenfield client computing opportunities, 5G infrastructure, and datacenter networking.
New Accounting Pronouncements The information contained under the heading "New Accounting Pronouncements" in Note 1 - Nature of Operations and Significant Accounting Policies to our Consolidated Financial Statements in Part II, Item 8 is incorporated by reference into this Part II, Item 7.
New Accounting Pronouncements The information contained under the heading "New Accounting Pronouncements" in Note 1 - Nature of Operations and Significant Accounting Policies to our Consolidated Financial Statements in Part II, Item 8 of this report is incorporated by reference into this Part II, Item 7.
For fiscal 2021, Acquisition related charges were entirely attributable to our acquisition of Mirametrix in November 2021 and were comprised primarily of professional services including legal and accounting fees, as well as closing costs.
For fiscal 2022 and 2021, Acquisition related charges were entirely attributable to our acquisition of Mirametrix in November 2021 and were comprised primarily of professional services including legal and accounting fees, as well as closing costs.
Improved margins were driven by benefits from our pricing optimization and gross margin expansion strategy. Because of its higher margin, the licensing and services portion of our overall revenue can have a disproportionate impact on Gross margin.
Improved margins were driven by benefits from our gross margin expansion strategy. Because of its higher margin, the licensing and services portion of our overall revenue can have a disproportionate impact on Gross margin.
This discussion and analysis of financial condition and results of operations should be read in conjunction with our consolidated financial statements and accompanying notes included in Item 8. "Financial Statements and Supplementary Data" of this report.
This discussion and analysis of financial condition and results of operations should be read in conjunction with our consolidated financial statements and accompanying notes included in Part II, Item 8. "Financial Statements and Supplementary Data" of this report.
Financing activities — Financing cash flows consist primarily of activity on our long-term debt, proceeds from the exercise of options to acquire common stock, tax payments related to the net share settlement of restricted stock units, and repurchases of common stock. Net cash used by financing activities in fiscal 2021 was $128.6 million compared to $8.1 million in fiscal 2020.
Financing activities — Financing cash flows consist primarily of repurchases of common stock, tax payments related to the net share settlement of restricted stock units, proceeds from the exercise of options to acquire common stock, and activity on our long-term debt. Net cash used by financing activities in fiscal 2022 was $188.1 million compared to $128.6 million in fiscal 2021.
Revenue by End Market We sell our products globally to a broad base of customers in three primary end markets groups: Communications and Computing, Industrial and Automotive, and Consumer. We also provide Intellectual Property licensing and services to these end markets.
Revenue by End Market We sell our products globally to a broad base of customers in three primary end markets groups: Communications and Computing, Industrial and Automotive, and Consumer. We also provide IP licensing and services to these end markets.
The increase in expense in fiscal 2021 as compared to fiscal 2020 is primarily due to changes in uncertain tax positions and increased worldwide income .
The increase in expense in fiscal 2022 as compared to fiscal 2021 is primarily due to increased worldwide income and changes in uncertain tax positions .
See " Note 1 - Nature of Operations and Significant Accounting Policies " under Part II, Item 8 of this report for further information on the significant accounting policies and methods used in the preparation of the consolidated financial statements.
See Note 1 - Nature of Operations and Significant Accounting Policies to our Consolidated Financial Statements in Part II, Item 8 of this report for further information on the significant accounting policies and methods used in the preparation of the consolidated financial statements.
Investing activities — Investing cash flows consist primarily of transactions related to capital expenditures and payments for software and intellectual property licenses, and a business acquisition in fiscal 2021. Net cash used by investing activities in fiscal 2021 was $89.8 million compared to $20.9 million in fiscal 2020.
Investing activities — Investing cash flows consist primarily of transactions related to capital expenditures and payments for software and intellectual property licenses, and a business acquisition in fiscal 2021. Net cash used by investing activities in fiscal 2022 was $34.9 million compared to $89.8 million in fiscal 2021.
This should not result in our recording significant additional tax expense as we have accrued expense based on current withholding rates. As of January 1, 2022, we could access all cash held by our foreign subsidiaries without incurring significant additional expense.
This should not result in our recording significant additional tax expense as we have accrued expense based on current withholding rates. As of December 31, 2022, we could access all cash held by our foreign subsidiaries without incurring significant additional expense.
This resulted primarily from increased shipments in the fourth quarter of fiscal 2021 compared to the fourth quarter of fiscal 2020. We calculate Days sales outstanding on the basis of a 365-day year as Accounts receivable, net at the end of the quarter divided by sales during the quarter annualized and then multiplied by 365.
This resulted primarily from higher revenue shipments in the fourth quarter of fiscal 2022 compared to the fourth quarter of fiscal 2021. We calculate Days sales outstanding on the basis of a 365-day year as Accounts receivable, net at the end of the quarter divided by sales during the quarter annualized and then multiplied by 365.
We updated our evaluation of the valuation allowance position in the United States through January 1, 2022 and concluded that we should continue to maintain a full valuation allowance against the net federal and state deferred tax assets.
We updated our evaluation of the valuation allowance position in the United States through December 31, 2022 and concluded that we should continue to maintain a full valuation allowance against the net federal and state deferred tax assets.
GAAP requires management to make estimates and judgments affecting the amounts reported in our consolidated financial statements and the accompanying notes. We base our estimates and judgments on historical experience, knowledge of current conditions, and our beliefs of what could occur in the future considering available information.
The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and judgments affecting the amounts reported in our consolidated financial statements and the accompanying notes. We base our estimates and judgments on historical experience, knowledge of current conditions, and our beliefs of what could occur in the future considering available information.
Discussions of results for prior periods (fiscal 2020 compared to fiscal 2019) are incorporated by reference from our Annual Report on Form 10-K for the year ended January 2, 2021 .
Discussions of results for prior periods (fiscal 2021 compared to fiscal 2020) are incorporated by reference from our Annual Report on Form 10-K for the year ended January 1, 2022 .
Restructuring Charges The composition of our Restructuring charges, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Restructuring charges $ 940 $ 3,937 $ 4,664 (76.1 )% (15.6 )% Percentage of revenue 0.2 % 1.0 % 1.2 % Restructuring charges are comprised of expenses resulting from reductions in our worldwide workforce, consolidation of our facilities, removal of fixed assets from service, and cancellation of software contracts and engineering tools.
Restructuring Charges The composition of our Restructuring charges, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Restructuring charges $ 2,551 $ 940 $ 3,937 171.4 % (76.1 )% Percentage of revenue 0.4 % 0.2 % 1.0 % Restructuring charges are comprised of expenses resulting from reductions in our worldwide workforce, consolidation of our facilities, removal of fixed assets from service, and cancellation of software contracts and engineering tools.
Income Taxes The composition of our Income tax expense is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Income tax expense $ 1,704 $ 1,064 $ 1,572 60.2 % (32.3 )% Our Income tax expense is composed primarily of foreign income and withholding taxes, partially offset by benefits resulting from the release of uncertain tax positions ("UTP") due to statute of limitation expirations that occurred in the respective periods.
Income Taxes The composition of our Income tax expense is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Income tax expense (benefit) $ 3,230 $ 1,704 $ 1,064 89.6 % 60.2 % Our Income tax expense (benefit) is composed primarily of foreign income and withholding taxes, partially offset by benefits resulting from the release of uncertain tax positions ("UTP") due to statute of limitation expirations that occurred in the respective periods.
Acquisition Related Charges The composition of our Acquisition related charges, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Acquisition related charges $ 1,171 $ — $ — 100+% — % Percentage of revenue 0.2 % — % — % 28 Table of Contents Acquisition related charges include legal and professional fees directly related to acquisitions.
Acquisition Related Charges The composition of our Acquisition related charges, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Acquisition related charges $ 511 $ 1,171 $ — (56.4 )% 100+% Percentage of revenue 0.1 % 0.2 % — % 30 Table of Contents Acquisition related charges include legal and professional fees directly related to acquisitions.
The net decrease in Cash and cash equivalents of $50.8 million between January 2, 2021 and January 1, 2022 was primarily driven by cash flows from the following activities: Operating activities — Cash provided by operating activities results from net income adjusted for certain non-cash items and changes in assets and liabilities.
The net increase in Cash and cash equivalents of $14.2 million between January 1, 2022 and December 31, 2022 was primarily driven by cash flows from the following activities: Operating activities — Cash provided by operating activities results from net income adjusted for certain non-cash items and changes in assets and liabilities.
The composition of our revenue by customer is presented in the following table: % of Total Revenue Year Ended January 1, January 2, December 28, 2022 2021 2019 Weikeng Group 37.2 % 34.8 % 29.8 % Arrow Electronics Inc. 27.1 25.1 25.4 Other distributors 23.0 23.2 26.9 All distributors 87.3 83.1 82.1 % Direct customers 8.7 12.1 12.6 Licensing and services revenue 4.0 4.8 5.3 Total revenue 100.0 % 100.0 % 100.0 % Gross margin The composition of our gross margin, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, (In thousands) 2022 2021 2019 Gross margin $ 321,675 $ 245,306 $ 238,422 Gross margin percentage 62.4 % 60.1 % 59.0 % Product gross margin % 60.9 % 58.1 % 56.7 % Licensing and services gross margin % 100.0 % 100.0 % 100.0 % Gross margin percentage increased 230 basis points from fiscal 2020 to fiscal 2021.
The composition of our revenue by customer is presented in the following table: % of Total Revenue Year Ended December 31, January 1, January 2, 2022 2022 2021 Weikeng Group 30.3 % 37.2 % 34.8 % Arrow Electronics Inc. 28.5 27.1 25.1 Other distributors 30.7 23.0 23.2 All distributors 89.5 87.3 83.1 % Direct customers 7.9 8.7 12.1 Licensing and services revenue 2.6 4.0 4.8 Total revenue 100.0 % 100.0 % 100.0 % Gross margin The composition of our gross margin, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, (In thousands) 2022 2022 2021 Gross margin $ 452,050 $ 321,675 $ 245,306 Gross margin percentage 68.5 % 62.4 % 60.1 % Product gross margin % 67.6 % 60.9 % 58.1 % Licensing and services gross margin % 100.0 % 100.0 % 100.0 % Gross margin percentage increased 610 basis points from fiscal 2021 to fiscal 2022.
These expenditures are for the design of new products, IP cores, processes, packaging, and software solutions. The increase in Research and development expense for fiscal 2021 compared to fiscal 2020 was due primari ly to increased headcount-related costs as we continue to invest in the expansion of our product portfolio and the acceleration of our new product introduction cadence.
These expenditures are for the design of new products, IP cores, processes, packaging, and software solutions. The increase in Research and development expense for fiscal 2022 compared to fiscal 2021 was due primari ly to increased headcount-related costs as we continue to invest in our long-term product roadmap.
Critical Accounting Policies and Use of Estimates Critical accounting policies are those that are both most important to the portrayal of a company's financial condition and results of operations, and that require management's most difficult, subjective, and complex judgments, often as a result of the need to make estimates about the effect of matters that are inherently uncertain. 23 Table of Contents The preparation of financial statements in conformity with U.S.
Critical Accounting Policies and Use of Estimates Critical accounting policies are those that are both most important to the portrayal of a company's financial condition and results of operations, and that require management's most difficult, subjective, and complex judgments, often as a result of the need to make estimates about the effect of matters that are inherently uncertain.
The determination of a valuation allowance and when it should be released requires complex judgment. In assessing the ability to realize deferred tax assets, we regularly evaluate both positive and negative evidence that may exist and consider whether it is more-likely-than-not that some portion or all of the deferred tax assets will be realized.
In assessing the ability to realize deferred tax assets, we regularly evaluate both positive and negative evidence that may exist and consider whether it is more-likely-than-not that some portion or all of the deferred tax assets will be realized.
Amortization of Acquired Intangible Assets The composition of our Amortization of acquired intangible assets, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Amortization of acquired intangible assets $ 2,613 $ 4,449 $ 13,558 (41.3 )% (67.2 )% Percentage of revenue 0.5 % 1.1 % 3.4 % The decrease in Amortization of acquired intangible assets for fiscal 2021 compared to fiscal 2020 was due to the end of the amortization period for the majority of our legacy acquired intangible assets during the first quarter of fiscal 2020, partially offset by amortization expense for new intangible assets added in the fourth quarter of fiscal 2021 through the acquisition of Mirametrix, Inc.
Amortization of Acquired Intangible Assets The composition of our Amortization of acquired intangible assets, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Amortization of acquired intangible assets $ 3,778 $ 2,613 $ 4,449 44.6 % (41.3 )% Percentage of revenue 0.6 % 0.5 % 1.1 % The increase in Amortization of acquired intangible assets for fiscal 2022 compared to fiscal 2021 was due to the amortization expense for new intangible assets added in the fourth quarter of fiscal 2021 through the acquisition of Mirametrix, Inc., partially offset by end of the amortization period during the first quarter of fiscal 2022 for acquired intangible assets from previous acquisitions.
Operating Expenses Research and Development Expense The composition of our Research and development expense, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Research and development $ 110,518 $ 89,223 $ 78,617 23.9 % 13.5 % Percentage of revenue 21.4 % 21.9 % 19.5 % Research and development expense includes costs for compensation and benefits, stock compensation, engineering wafers, depreciation, licenses, and outside engineering services.
Operating Expenses Research and Development Expense The composition of our Research and development expense, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Research and development $ 135,767 $ 110,518 $ 89,223 22.8 % 23.9 % Percentage of revenue 20.6 % 21.4 % 21.9 % Research and development expense includes costs for compensation and benefits, stock compensation, engineering wafers, depreciation, licenses, and outside engineering services.
Payments for tax withholdings on vesting of RSUs partially offset by employee exercises of stock options used net cash flows of $45.4 million in fiscal 2021, an increase of approximately $28.5 million from the net $16.9 million used in fiscal 2020.
Payments for tax withholdings on vesting of RSUs partially offset by employee exercises of stock options used net cash flows of $47.8 million in fiscal 2022, an increase of approximately $2.4 million from the net $45.4 million used in fiscal 2021.
We calculate Days of inventory on hand on the basis of a 365-day year as Inventories at the end of the quarter divided by Cost of sales during the quarter annualized and then multiplied by 365 .
We calculate Days of inventory on hand on the basis of a 365-day year as Inventories at the end of the quarter divided by Cost of sales during the quarter annualized and then multiplied by 365 . Credit Arrangements On September 1, 2022, we entered into our 2022 Credit Agreement.
The composition of our revenue by geography is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Asia $ 384,568 74.6 % $ 305,183 74.8 % $ 298,765 73.9 % 26.0 % 2.1 % Americas 80,870 15.7 62,137 15.2 57,936 14.4 30.1 7.3 Europe 49,889 9.7 40,800 10.0 47,392 11.7 22.3 (13.9 ) Total revenue $ 515,327 100.0 % $ 408,120 100.0 % $ 404,093 100.0 % 26.3 % 1.0 % 26 Table of Contents Revenue from Customers We sell our products to independent distributors and directly to customers.
The composition of our revenue by geography is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Asia $ 464,904 70.5 % $ 384,568 74.6 % $ 305,183 74.8 % 20.9 % 26.0 % Americas 100,260 15.2 80,870 15.7 62,137 15.2 24.0 30.1 Europe 95,192 14.3 49,889 9.7 40,800 10.0 90.8 22.3 Total revenue $ 660,356 100.0 % $ 515,327 100.0 % $ 408,120 100.0 % 28.1 % 26.3 % 28 Table of Contents Revenue from Customers We sell our products to independent distributors and directly to customers.
We believe that our financial resources, including current cash and cash equivalents, cash flow from operating activities, and our credit facilities, will be sufficient to meet our liquidity and working capital needs through at least the next 12 months. As of January 1, 2022, we did not have significant long-term commitments for capital expenditures.
We believe that our financial resources, including current cash and cash equivalents, cash flow from operating activities, and our credit facilities, will be sufficient to meet our liquidity and working capital needs through at least the next 12 months.
Results of Operations Key elements of our Consolidated Statements of Operations, including as a percentage of revenue, are presented in the following table: Year Ended * January 1, January 2, December 28, (In thousands) 2022 2021 2019 Revenue $ 515,327 100.0 % $ 408,120 100.0 % $ 404,093 100.0 % Gross margin 321,675 62.4 245,306 60.1 238,422 59.0 Research and development 110,518 21.4 89,223 21.9 78,617 19.5 Selling, general and, administrative 105,617 20.5 95,331 23.4 82,542 20.4 Amortization of acquired intangible assets 2,613 0.5 4,449 1.1 13,558 3.4 Restructuring charges 940 0.2 3,937 1.0 4,664 1.2 Acquisition related charges 1,171 0.2 — — — — Income from operations $ 100,816 19.6 % $ 52,366 12.8 % $ 59,041 14.6 % * The year ended January 2, 2021 was a 53-week year as compared to the other years presented, which were based on our standard 52-week year.
We recognize the tax impact of including certain foreign earnings in U.S. taxable income as a period cost. 26 Table of Contents Results of Operations Key elements of our Consolidated Statements of Operations, including as a percentage of revenue, are presented in the following table: Year Ended * December 31, January 1, January 2, (In thousands) 2022 2022 2021 Revenue $ 660,356 100.0 % $ 515,327 100.0 % $ 408,120 100.0 % Gross margin 452,050 68.5 321,675 62.4 245,306 60.1 Research and development 135,767 20.6 110,518 21.4 89,223 21.9 Selling, general and, administrative 122,076 18.5 105,617 20.5 95,331 23.4 Amortization of acquired intangible assets 3,778 0.6 2,613 0.5 4,449 1.1 Restructuring charges 2,551 0.4 940 0.2 3,937 1.0 Acquisition related charges 511 0.1 1,171 0.2 — — Income from operations $ 187,367 28.4 % $ 100,816 19.6 % $ 52,366 12.8 % * The year ended January 2, 2021 was a 53-week year as compared to the other years presented, which were based on our standard 52-week year.
We believe that a continued commitment to Research and development is essential to maintaining product leadership and providing innovative new product offerings and, therefore, we expect to continue to increase our investment in Research and development, particularly with expanded investment in the development of software solutions. 27 Table of Contents Selling, General, and Administrative Expense The composition of our Selling, general, and administrative expense, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Selling, general, and administrative $ 105,617 $ 95,331 $ 82,542 10.8 % 15.5 % Percentage of revenue 20.5 % 23.4 % 20.4 % Selling, general, and administrative expense includes costs for compensation and benefits related to selling, general, and administrative employees, commissions, depreciation, professional and outside services, trade show, and travel expenses.
We believe that investing in research and development is important to delivering innovative products to our customers and, therefore, we expect to continue to increase our investment in research and development. 29 Table of Contents Selling, General, and Administrative Expense The composition of our Selling, general, and administrative expense, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Selling, general, and administrative $ 122,076 $ 105,617 $ 95,331 15.6 % 10.8 % Percentage of revenue 18.5 % 20.5 % 23.4 % Selling, general, and administrative expense includes costs for compensation and benefits related to selling, general, and administrative employees, commissions, depreciation, professional and outside services, trade show, and travel expenses.
This $68.9 million increase was primarily due to the acquisition of Mirametrix in the current year, which used cash, net of cash acquired, of $68.1 million. Total cash used for capital expenditures and payments for software and intellectual property licenses increased $0.8 million to $21.7 million in fiscal 2021 from $20.9 million in fiscal 2020.
This $54.9 million decrease was primarily a result of the acquisition of Mirametrix in the prior year, which used cash, net of cash acquired, of $68.1 million. Total cash used for capital expenditures and payments for software and intellectual property licenses increased $13.2 million to $34.9 million in fiscal 2022 from $21.7 million in fiscal 2021.
Revenue Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Revenue $ 515,327 $ 408,120 $ 404,093 26.3 % 1.0 % Revenue increased $107.2 million, or 26.3%, in fiscal 2021 compared to fiscal 2020, primarily driven by increased demand for products used in client computing solutions, 5G wireless infrastructure, and industrial and robotics applications.
Revenue Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Revenue $ 660,356 $ 515,327 $ 408,120 28.1 % 26.3 % Revenue increased $145.0 million, or 28.1%, in fiscal 2022 compared to fiscal 2021, primarily from our products used in data center servers, client computing solutions, 5G wireless infrastructure, industrial automation, and robotics applications.
In the future, we may continue to consider acquisition opportunities to further extend our product or technology portfolios and further expand our product offerings. In connection with funding capital expenditures, acquisitions, securing additional wafer supply, increasing our working capital, or other operations, we may seek to obtain equity or additional debt financing.
In connection with funding capital expenditures, acquisitions, securing additional wafer supply, increasing our working capital, or other operations, we may seek to obtain equity or additional debt financing.
Deferred tax assets and liabilities are recognized for the expected tax consequences of temporary differences between the tax bases of assets and liabilities and their reported amounts in the financial statements using enacted tax rates and laws that will be in effect when the difference is expected to reverse. 24 Table of Contents Valuation allowances are provided to reduce deferred tax assets to an amount that in management’s judgment is more-likely-than-not to be recoverable against future taxable income.
Deferred tax assets and liabilities are recognized for the expected tax consequences of temporary differences between the tax bases of assets and liabilities and their reported amounts in the financial statements using enacted tax rates and laws that will be in effect when the difference is expected to reverse.
Interest Expense The composition of our Interest expense, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Interest expense $ (2,738 ) $ (3,702 ) $ (11,731 ) (26.0 )% (68.4 )% Percentage of revenue (0.5 )% (0.9 )% (2.9 )% Interest expense is primarily related to our long-term debt, which is further discussed under the "Credit Arrangements" heading in the Liquidity and Capital Resources section, below.
Interest Expense The composition of our Interest expense, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Interest expense $ (4,146 ) $ (2,738 ) $ (3,702 ) 51.4 % (26.0 )% Percentage of revenue (0.6 )% (0.5 )% (0.9 )% Interest expense is primarily related to our long-term debt.
Cash provided by or used in operating activities will fluctuate from period to period due to fluctuations in operating results, the timing and collection of accounts receivable, and required inventory levels, among other things.
We have historically financed our operating and capital resource requirements through cash flows from operations, and from the issuance of long-term debt to fund acquisitions. Cash provided by or used in operating activities will fluctuate from period to period due to fluctuations in operating results, the timing and collection of accounts receivable, and required inventory levels, among other things.
Details of our restructuring plans and expenses incurred under them are discussed in " Note 9 - Restructuring " to our Consolidated Financial Statements in Part II, Item 8 of this report. Restructuring charges decreased in fiscal 2021 compared to fiscal 2020, as we had no significant restructuring activity in the current year.
Details of our restructuring plans and expenses incurred under them are discussed in Note 9 - Restructuring to our Consolidated Financial Statements in Part II, Item 8 of this report.
The revenue recognized based on estimated price adjustments and stock rotation reserves may be materially different from the actual consideration received if the actual distributor price adjustments and stock rotation returns differ significantly from the historical trends used in the estimates.
The revenue recognized based on estimated price adjustments and stock rotation reserves may be materially different from the actual consideration received if the actual distributor price adjustments and stock rotation returns differ significantly from the historical trends used in the estimates. 25 Table of Contents Inventories and Cost of Revenue Inventories are stated at the lower of actual cost (determined using the first-in, first-out method) or net realizable value.
Other (Expense) Income, net The composition of our Other (expense) income, net, including as a percentage of revenue, is presented in the following table: Year Ended January 1, January 2, December 28, % Change in (In thousands) 2022 2021 2019 2021 2020 Other (expense) income, net $ (452 ) $ (208 ) $ (2,245 ) 117.3 % (90.7 )% Percentage of revenue (0.1 )% (0.1 )% (0.6 )% For fiscal 2021 compared to fiscal 2020, the increase in Other (expense) income, net was largely driven by higher foreign currency exchange losses.
Other (Expense) Income, net The composition of our Other (expense) income, net, including as a percentage of revenue, is presented in the following table: Year Ended December 31, January 1, January 2, % Change in (In thousands) 2022 2022 2021 2022 2021 Other (expense) income, net $ (1,109 ) $ (452 ) $ (208 ) 145.4 % 117.3 % Percentage of revenue (0.2 )% (0.1 )% (0.1 )% For fiscal 2022 compared to fiscal 2021, the increase in Other (expense) income, net was primarily due to the $0.7 million loss on refinancing of our long-term debt during the current year .
Liquidity Cash and cash equivalents (In thousands) January 1, 2022 January 2, 2021 $ Change % Change Cash and cash equivalents $ 131,570 $ 182,332 $ (50,762 ) (27.8 )% As of January 1, 2022, we had Cash and cash equivalents of $131.6 million, of which approximately $59.1 million in Cash and cash equivalents was held by our foreign subsidiaries.
Liquidity Cash and cash equivalents (In thousands) December 31, 2022 January 1, 2022 $ Change % Change Cash and cash equivalents $ 145,722 $ 131,570 $ 14,152 10.8 % As of December 31, 2022, we had Cash and cash equivalents of $145.7 million, of which approximately $30.9 million in Cash and cash equivalents was held by our foreign subsidiaries.
See " Note 1 - Basis of Presentation and Significant Accounting Policies " under Part II, Item 8 of this report for further information on our recognition of revenue. Sales to most distributors are made under terms allowing certain price adjustments upon sale to their end customers and limited rights of return of our products held in their inventory.
Sales to most distributors are made under terms allowing certain price adjustments upon sale to their end customers and limited rights of return of our products held in their inventory.
As of January 1, 2022, we had no used or unused credit arrangements beyond the secured revolving loan facility described in the Current Credit Agreement. Share Repurchase Program See "Issuer Purchases of Equity Securities" under Part II, Item 5 of this Annual Report on Form 10-K for more information about the share repurchase program.
Share Repurchase Program See "Issuer Purchases of Equity Securities" under Part II, Item 5 of this Annual Report on Form 10-K for more information about the share repurchase program.
Inventories and Cost of Revenue Inventories are stated at the lower of actual cost (determined using the first-in, first-out method) or net realizable value. We review and set standard costs quarterly to approximate current actual manufacturing costs. Our manufacturing overhead standards for product costs are calculated assuming full absorption of actual spending over actual costs.
We review and set standard costs quarterly to approximate current actual manufacturing costs. Our manufacturing overhead standards for product costs are calculated assuming full absorption of actual spending over actual costs. The valuation of inventory requires us to estimate excess or obsolete inventory.
The valuation of inventory requires us to estimate excess or obsolete inventory. Material assumptions we use to estimate necessary inventory carrying value adjustments can be unique to each product and are based on specific facts and circumstances.
Material assumptions we use to estimate necessary inventory carrying value adjustments can be unique to each product and are based on specific facts and circumstances. In determining provisions for excess or obsolete products, we consider assumptions such as changes in business and economic conditions, projected customer demand for our products, and changes in technology or customer requirements.
Liquidity and Capital Resources The following sections discuss material changes in our financial condition from the end of fiscal 2020, including the effects of changes in our Consolidated Balance Sheets, and the effects of our credit arrangements and contractual obligations on our liquidity and capital resources.
Details of our deferred tax assets and valuation allowance are discussed in Note 13 - Income Taxes to our Consolidated Financial Statements in Part II, Item 8 of this report. 31 Table of Contents Liquidity and Capital Resources The following sections discuss material changes in our financial condition from the end of fiscal 2021, including the effects of changes in our Consolidated Balance Sheets, and the effects of our credit arrangements and contractual obligations on our liquidity and capital resources.
Revenue from the Consumer end market increased by 11% in fiscal 2021 compared to fiscal 2020 primarily due to increased demand for our products in Consumer end market applications. Revenue from the Licensing and Services end market increased by 4% in fiscal 2021 compared to fiscal 2020 primarily due to increased licensing and IP royalties.
Revenue from the Consumer end market decreased by 3% in fiscal 2022 compared to fiscal 2021 primarily due to macroeconomic weakness in Consumer in the current year. Revenue from the Licensing and Services end market decreased by 16% in fiscal 2022 compared to fiscal 2021 primarily due to decreased licensing and IP royalties.
Inventories (In thousands) January 1, 2022 January 2, 2021 Change % Change Inventories $ 67,594 $ 64,599 $ 2,995 4.6 % Days of inventory on hand 122 139 (17 ) Inventories as of January 1, 2022 increased $3.0 million, or approximately 5%, compared to January 2, 2021 primarily to meet the increased demands of our customers.
Inventories (In thousands) December 31, 2022 January 1, 2022 $ Change % Change Inventories $ 110,375 $ 67,594 $ 42,781 63.3 % Days of inventory on hand 187 122 65 Inventories as of December 31, 2022 increased $42.8 million, or approximately 63%, compared to January 1, 2022 primarily to meet the increased demands of our customers and for new product ramps.
We continue to evaluate future projected financial performance to determine whether such performance is sufficient evidence to support a reduction in or reversal of the valuation allowance. We will continue to evaluate both positive and negative evidence in future periods to determine if we will realize the deferred tax assets.
We will continue to evaluate both positive and negative evidence in future periods to determine if we will realize the deferred tax assets. The amount of the deferred tax asset considered realizable could be adjusted if sufficient positive evidence exists.
The increase in Selling, general, and administrative expense for fiscal 2021 compared to fiscal 2020 was due primarily to increased stock compensation, salaries, and variable compensation related expenses.
The increase in Selling, general, and administrative expense for fiscal 2022 compared to fiscal 2021 was due primarily to increased headcount-related costs to support the growth of our business, and to increased legal expenses primarily related to the defense of claims outside the ordinary course of business.
In determining provisions for excess or obsolete products, we consider assumptions such as changes in business and economic conditions, projected customer demand for our products, and changes in technology or customer requirements. The creation of such provisions results in a write-down of inventory to net realizable value and a charge to Cost of revenue.
The creation of such provisions results in a write-down of inventory to net realizable value and a charge to Cost of revenue.
Cash provided by operating activities was $167.7 million in fiscal 2021 compared to $91.7 million in fiscal 2020. This increase of $76.0 million was primarily driven by an increase of $54.2 million provided by improved operating performance, coupled with $21.8 million of favorable changes in working capital. We are using cash provided by operating activities to fund our operations.
Cash provided by operating activities was $238.8 million in fiscal 2022 compared to $167.7 million in fiscal 2021. This increase of $71.1 million was primarily driven by an increase of $98.9 million provided by improved operating performance, partially offset by $27.8 million of changes in working capital, primarily from cash used by inventories.
Revenue from the Industrial and Automotive end market increased by 34% in fiscal 2021 compared to fiscal 2020, primarily due to increased demand for our products across multiple applications such as industrial automation and robotics, as well as in Automotive led by adoption in ADAS and infotainment applications .
Revenue from the Industrial and Automotive end market increased by 41% in fiscal 2022 compared to fiscal 2021, primarily due to strong customer adoption in a broad range of applications, including industrial automation and robotics. Growth in Automotive was driven by the adoption of new designs in ADAS and infotainment applications.
Within these end markets, there are multiple segment drivers, including: • Communications and Computing: 5G infrastructure deployments, client computing platforms, and cloud and enterprise servers, • Industrial and Automotive: industrial IoT, factory automation, robotics, and automotive electronics, • Consumer: smart home, and prosumer. 25 Table of Contents We also generate revenue from the licensing of our IP, the collection of certain royalties, patent sales, the revenue related to our participation in consortia and standard-setting activities, and services.
Within these end markets, there are multiple segment drivers, including: • Communications and Computing: datacenter servers and networking equipment, client computing platforms, and 5G communications infrastructure deployments, • Industrial and Automotive: factory automation, robotics, automotive electronics, and industrial IoT, • Consumer: smart home, prosumer, and other applications.
For further information on our cash commitments for operating lease liabilities and required future principal payments on our long-term debt, see Note 10 - Leases and Note 8 - Long-Term Debt , respectively, under Part II, Item 8 of this report.
For further information on our cash commitments for operating lease liabilities, see Note 10 - Leases to our Consolidated Financial Statements in Part II, Item 8 of this report. In the future, we may continue to consider acquisition opportunities to further extend our product or technology portfolios and further expand our product offerings.
During fiscal 2021, we also repurchased approximately 1.3 million shares of common stock for $70.1 million compared to repurchases in fiscal 2020 of approximately 0.4 million shares of common stock for $15.0 million. 30 Table of Contents Accounts receivable, net (In thousands) January 1, 2022 January 2, 2021 Change % Change Accounts receivable, net $ 79,859 $ 64,581 $ 15,278 23.7 % Days sales outstanding - Overall 51 55 (4 ) Accounts receivable, net as of January 1, 2022 increased by approximately $15.3 million, or approximately 24%, compared to January 2, 2021.
During fiscal 2021, we paid required quarterly installments on our long-term debt totaling $13.1 million. 32 Table of Contents Accounts receivable, net (In thousands) December 31, 2022 January 1, 2022 $ Change % Change Accounts receivable, net $ 94,018 $ 79,859 $ 14,159 17.7 % Days sales outstanding - Overall 49 51 (2 ) Accounts receivable, net as of December 31, 2022 increased by approximately $14.2 million, or approximately 18%, compared to January 1, 2022.
There is significant uncertainty around the extent and duration of the disruption to our business from the COVID-19 pandemic, and our liquidity and working capital needs may be impacted in future periods as a result of the effects of the COVID-19 pandemic. 29 Table of Contents We have historically financed our operating and capital resource requirements through cash flows from operations, and from the issuance of long-term debt to fund acquisitions.
There continues to be uncertainty around the extent and duration of the disruption to our business, including from the effects of the ongoing COVID-19 pandemic, market volatility, and inflationary pressures, which may impact our liquidity and working capital needs in future periods.
Impact of the COVID-19 pandemic on our Business The COVID-19 pandemic has caused, and may continue to cause, a global slowdown of economic activity (including the decrease in demand for certain goods and services), and volatility in and disruption to financial markets, labor markets, and supply chains.
Impact of COVID-19 and Global Economic Environment on our Business The COVID-19 pandemic, increased financial market volatility, inflationary pressure, rising interest rates, recessionary concerns, and geopolitical tension continue to impact business globally and may impact our operations by causing disruption to our labor markets and supply chains.
See the section entitled “Risk Factors” in Item 1A of Part I of this report for further information about related risks and uncertainties.
The extent to which the COVID-19 pandemic, increased financial market volatility, inflationary pressures and related uncertainty will impact our business activities will depend on future developments that are highly uncertain and cannot be predicted at this time. See the section entitled “Risk Factors” in Item 1A of Part I of this report for further information about related risks and uncertainties.
Credit Arrangements On May 17, 2019, we entered into our Current Credit Agreement with Wells Fargo Bank, National Association, as administrative agent, and other lenders. The details of this arrangement are described in " Note 8 - Long-Term Debt " in the accompanying Notes to Consolidated Financial Statements.
The details of this arrangement are described in Note 8 - Long-Term Debt to our Consolidated Financial Statements in Part II, Item 8 of this report. As of December 31, 2022, we had no used or unused credit arrangements beyond the secured revolving loan facility described in the 2022 Credit Agreement.
During fiscal 2020, we drew $50.0 million on our revolving loan facility to further strengthen our liquidity position, and we paid quarterly installments totaling $26.3 million on our long-term debt, which fulfilled the required quarterly installments through the first quarter of fiscal 2021.
During fiscal 2022, we made a discretionary payment of $20.0 million on our current revolving loans, and we paid required quarterly installments on our previous long-term debt totaling $8.8 million.
This $120.5 million increase was due to the following mix of activities. During fiscal 2021, we paid required quarterly installments on our long-term debt totaling $13.1 million.
This $59.5 million increase was due to the following mix of activities. During fiscal 2022, we repurchased approximately 2.0 million shares of common stock for $110.1 million compared to repurchases in fiscal 2021 of approximately 1.3 million shares of common stock for $70.1 million.
The decrease in Interest expense for fiscal 2021 compared to fiscal 2020 was driven by the significant reduction in the effective interest rate on our long term debt coupled with the reduction in the principal balance of our long-term debt.
The increase in Interest expense for fiscal 2022 compared to fiscal 2021 was driven by the increase in the applicable base rate for our long-term debt, the adjusted Term Secured Overnight Financing Rate ("SOFR") from September 1, 2022, and the London Interbank Offered Rate ("LIBOR") prior to that date.