Biggest changeWe 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.
Biggest changeWe recognize the tax impact of including certain foreign earnings in U.S. taxable income as a period cost. 27 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 30, December 31, January 1, (In thousands) 2023 2022 2022 Revenue $ 737,154 100.0 % $ 660,356 100.0 % $ 515,327 100.0 % Gross margin 514,670 69.8 452,050 68.5 321,675 62.4 Research and development 159,770 21.7 135,767 20.6 110,518 21.4 Selling, general and, administrative 137,244 18.6 122,076 18.5 105,617 20.5 Amortization of acquired intangible assets 3,478 0.5 3,778 0.6 2,613 0.5 Restructuring 1,908 0.3 2,551 0.4 940 0.2 Acquisition related — — 511 0.1 1,171 0.2 Income from operations $ 212,270 28.8 % $ 187,367 28.4 % $ 100,816 19.6 % Revenue Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Revenue $ 737,154 $ 660,356 $ 515,327 11.6 % 28.1 % Revenue increased $76.8 million, or 11.6%, in fiscal 2023 compared to fiscal 2022, primarily from increased demand for our products used in industrial automation, robotics applications, and data center servers, partially offset by lower demand for our products used in wireless infrastructure and consumer applications.
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.
For fiscal 2022 and 2021, Acquisition related charges were 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.
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.
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. 26 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.
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.
Details of our restructuring plans and expenses incurred under them are discussed in Note 8 - Restructuring to our Consolidated Financial Statements in Part II, Item 8 of this report.
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.
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 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Acquisition related $ — $ 511 $ 1,171 (100.0 )% (56.4 )% Percentage of revenue — % 0.1 % 0.2 % 31 Table of Contents Acquisition related charges include legal and professional fees directly related to acquisitions.
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.
For further information on our cash commitments for operating lease liabilities, see Note 9 - 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.
For revenue recognized on both sales to distributors and related to HDMI and other royalties, the amount of consideration we expect to be entitled to receive is based on estimates that require assumptions and judgments relating to trends in recent and historical activity.
For revenue recognized on both sales to distributors and related to royalties, the amount of consideration we expect to be entitled to receive is based on estimates that require assumptions and judgments relating to trends in recent and historical activity.
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.
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. 34 Table of Contents
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.
The details of this arrangement are described in Note 7 - Long-Term Debt to our Consolidated Financial Statements in Part II, Item 8 of this report. As of December 30, 2023, we had no used or unused credit arrangements beyond the secured revolving loan facility described in the 2022 Credit Agreement.
On September 1, 2022, we entered into our 2022 Credit Agreement, as 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 did not have significant long-term commitments for capital expenditures.
On September 1, 2022, we entered into our 2022 Credit Agreement, as described in Note 7 - Long-Term Debt to our Consolidated Financial Statements in Part II, Item 8 of this report. As of December 30, 2023, we did not have significant long-term commitments for capital expenditures.
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.
Details of our deferred tax assets and valuation allowance are discussed in Note 12 - Income Taxes to our Consolidated Financial Statements in Part II, Item 8 of this report. 32 Table of Contents Liquidity and Capital Resources The following sections discuss material changes in our financial condition from the end of fiscal 2022, 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.
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 should not result in our recording significant additional tax expense as we have accrued expense based on current withholding rates. As of December 30, 2023, we could access all cash held by our foreign subsidiaries without incurring significant additional expense.
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.
Financing activities — Financing cash flows consist primarily of activity on our long-term debt, repurchases of common stock, tax payments related to the net share settlement of restricted stock units, and proceeds from the exercise of options to acquire common stock. Net cash used by financing activities in fiscal 2023 was $253.7 million compared to $188.1 million in fiscal 2022.
Distributors have historically accounted for a significant portion of our total revenue, and the two distributor groups noted below individually accounted for more than 10% of our total revenue in the periods covered by this report.
Distributors have historically accounted for a significant portion of our total revenue, and the distributors noted below individually accounted for more than 10% of our total revenue in certain periods covered by this report.
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.
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. 30 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 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Selling, general, and administrative $ 137,244 $ 122,076 $ 105,617 12.4 % 15.6 % Percentage of revenue 18.6 % 18.5 % 20.5 % 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.
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 .
Discussions of results for prior periods (fiscal 2022 compared to fiscal 2021) are incorporated by reference from our Annual Report on Form 10-K for the year ended December 31, 2022 .
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.
Revenue from the Industrial and Automotive end market increased by 36% in fiscal 2023 compared to fiscal 2022, 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 advanced driver assistance ("ADAS") and infotainment applications.
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.
Within these end markets, there are multiple drivers, including: • Communications and Computing: data center servers and networking equipment, client computing platforms, and wireless and wireline communications infrastructure deployments, • Industrial and Automotive: factory automation, robotics, automotive electronics, and industrial IoT, • Consumer: smart home, prosumer, and other applications.
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.
Impact of Global Economic Activity on our Business Increased financial market volatility, inflationary pressure, rising interest rates, recessionary concerns, uncertainty in the financial and banking industry, and geopolitical tension continue to impact business globally and may impact our operations by causing disruption to our labor markets and supply chains.
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.
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 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Research and development $ 159,770 $ 135,767 $ 110,518 17.7 % 22.8 % Percentage of revenue 21.7 % 20.6 % 21.4 % Research and development expense includes costs for compensation and benefits, stock-based compensation, engineering wafers, depreciation and amortization, licenses, and outside engineering services.
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.
Revenue by End Market We sell our products globally to a broad base of customers in three primary end market groups: Communications and Computing, Industrial and Automotive, and Consumer.
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 net decrease in Cash and cash equivalents of $17.4 million between December 30, 2023 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 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.
The composition of our revenue by geography is presented in the following table: Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Asia $ 443,765 60.2 % $ 464,904 70.5 % $ 384,568 74.6 % (4.5 )% 20.9 % Americas 145,839 19.8 100,260 15.2 80,870 15.7 45.5 24.0 Europe 147,550 20.0 95,192 14.3 49,889 9.7 55.0 90.8 Total revenue $ 737,154 100.0 % $ 660,356 100.0 % $ 515,327 100.0 % 11.6 % 28.1 % 29 Table of Contents Revenue from Customers We sell our products to independent distributors and directly to customers.
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 .
Other Income (Expense), net The composition of our Other income (expense), net, including as a percentage of revenue, is presented in the following table: Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Other income (expense), net $ 545 $ (1,109 ) $ (452 ) (149.1 )% 145.4 % Percentage of revenue 0.1 % (0.2 )% (0.1 )% For fiscal 2023 compared to fiscal 2022, the change in Other income (expense), net was primarily due to a research credit of $0.9 million in the current year compared to the non-recurrence of $0.7 million of loss on the refinancing of our long-term debt in the prior year, and to foreign currency effects.
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.
The composition of our revenue by customer is presented in the following table: % of Total Revenue Year Ended December 30, December 31, January 1, 2023 2022 2022 Arrow 31.6 % 28.5 % 27.1 % Weikeng 20.5 30.3 37.2 Future 12.6 8.3 6.5 Macnica 10.8 9.7 6.6 Other distributors 11.9 12.7 9.9 All distributors 87.4 89.5 87.3 Direct customers 12.6 10.5 12.7 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 30, December 31, January 1, (In thousands) 2023 2022 2022 Gross margin $ 514,670 $ 452,050 $ 321,675 Gross margin percentage 69.8 % 68.5 % 62.4 % Gross margin percentage increased 130 basis points from fiscal 2022 to fiscal 2023.
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.
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 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Amortization of acquired intangible assets $ 3,478 $ 3,778 $ 2,613 (7.9 )% 44.6 % Percentage of revenue 0.5 % 0.6 % 0.5 % The decrease in Amortization of acquired intangible assets for fiscal 2023 compared to fiscal 2022 was due to the end of the amortization period during the first quarter of fiscal 2022 for acquired intangible assets from previous acquisitions.
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.
Investing activities — Investing cash flows consist primarily of transactions related to capital expenditures and payments for software and intellectual property licenses . Net cash used by investing activities in fiscal 2023 was $33.3 million compared to $34.9 million in fiscal 2022. This $1.6 million decrease was primarily a result of decreased capital expenditures.
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.
Restructuring The composition of our Restructuring activity, including as a percentage of revenue, is presented in the following table: Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Restructuring $ 1,908 $ 2,551 $ 940 (25.2 )% 171.4 % Percentage of revenue 0.3 % 0.4 % 0.2 % Restructuring activity is generally comprised of expenses resulting from workforce reductions, cancellation of contracts, and consolidation of our facilities.
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 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.
These estimates involve significant judgment and interpretations of regulations and are inherently complex. Resolution of income tax treatments in individual jurisdictions may not be known for many years after completion of the applicable year.
Resolution of income tax treatments in individual jurisdictions may not be known for many years after completion of the applicable year.
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.
Liquidity Cash and cash equivalents (In thousands) December 30, 2023 December 31, 2022 $ Change % Change Cash and cash equivalents $ 128,317 $ 145,722 $ (17,405 ) (11.9 )% As of December 30, 2023, we had Cash and cash equivalents of $128.3 million, of which approximately $36.1 million in Cash and cash equivalents was held by our foreign subsidiaries.
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.
The increase in Selling, general, and administrative expense for fiscal 2023 compared to fiscal 2022 was due primarily to increased headcount-related costs, including stock-based compensation and other costs, related to demand creation to support the growth of our business.
We 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.
We 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. 28 Table of Contents The following are examples of end market applications for the fiscal years presented: Communications and Computing Industrial and Automotive Consumer Wireless Security and Surveillance Cameras Wireline Machine Vision Displays Data Backhaul Industrial Automation Wearables Server Computing Robotics Televisions 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 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Communications and Computing $ 257,536 34.9 % $ 282,913 42.8 % $ 227,911 44.2 % (9.0 )% 24.1 % Industrial and Automotive 433,482 58.8 319,398 48.4 226,260 43.9 35.7 41.2 Consumer 46,136 6.3 58,045 8.8 61,156 11.9 (20.5 ) (5.1 ) Total revenue $ 737,154 100.0 % $ 660,356 100.0 % $ 515,327 100.0 % 11.6 % 28.1 % Revenue from the Communications and Computing end market decreased by 9% in fiscal 2023 compared to fiscal 2022 primarily due to softer end market demand in both wireless and wireline communications infrastructure, partially offset by strong demand in data center applications.
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.
The extent to which increased financial market volatility, inflationary pressures, global pandemics, and related uncertainty will impact our business activities will depend on future developments that are highly uncertain and cannot be predicted at this time.
With a diverse base of customers who may manufacture end products spanning multiple end markets, the assignment of revenue to a specific end market requires the use of judgment. We also recognize certain revenue for which end customers and end markets are not yet known.
The end market data we use is derived from data provided to us by our customers. With a diverse base of customers who may manufacture end products spanning multiple end markets, the assignment of revenue to a specific end market requires the use of judgment.
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.
The increase in Research and development expense for fiscal 2023 compared to fiscal 2022 was due primari ly to increased headcount-related costs, including stock-based compensation, as we continue to invest in our long-term product roadmap, and depreciation and amortization related to our research and development equipment.
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.
Interest Income (Expense), net The composition of our Interest income (expense), net, including as a percentage of revenue, is presented in the following table: Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Interest income (expense), net $ 2,041 $ (4,146 ) $ (2,738 ) (149.2 )% 51.4 % Percentage of revenue 0.3 % (0.6 )% (0.5 )% The change in Interest income (expense) for fiscal 2023 compared to fiscal 2022 was driven by increased interest income, coupled with lower interest expense as we paid off the outstanding balance of our long-term debt during the third quarter of fiscal 2023.
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.
There continues to be uncertainty around the extent of market volatility, inflationary pressures, rising interest rates, recessionary concerns, uncertainty in the financial and banking industry, and geopolitical tension, which may impact our liquidity and working capital needs in future 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.
Income Taxes The composition of our Income tax (benefit) expense is presented in the following table: Year Ended December 30, December 31, January 1, % Change in (In thousands) 2023 2022 2022 2023 2022 Income tax (benefit) expense $ (44,205 ) $ 3,230 $ 1,704 (100+)% 89.6 % Our Income tax (benefit) expense includes taxes on foreign income and withholding taxes, partially offset by benefits resulting from excess tax benefits from stock-based compensation.
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.
We repurchased approximately 1.2 million shares of common stock for $80.0 million in fiscal 2023 compared to repurchases of approximately 2.0 million shares of common stock for $110.1 million in fiscal 2022.
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.
This increase of $30.8 million was primarily driven by an increase of $40.1 million provided by improved operating performance, partially offset by $9.3 million of changes in working capital, primarily from cash used by accrued liabilities, payroll obligations, and accounts payable, net of cash provided by inventories.
Consideration is given to all relevant factors that might affect the fair value such as estimates of future revenues and costs, present value factors, and the estimated useful lives of intangible assets. Accounting for Income Taxes We are required to estimate our provision for income taxes and amounts ultimately payable or recoverable in numerous tax jurisdictions around the world.
Accounting for Income Taxes We are required to estimate our provision for income taxes and amounts ultimately payable or recoverable in numerous tax jurisdictions around the world. These estimates involve significant judgment and interpretations of regulations and are inherently complex.
In making this evaluation, we considered the uncertain stability of the current economic and operating environment and estimates about our ability to generate taxable income in future periods within the United States. 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.
In making this evaluation, we considered our operating environment and estimates about our ability to generate taxable income in future periods within the United States. As a result of our consistent and continued profitability over the preceding three-year period and our expectations about generating sufficient U.S. Federal taxable income, we have determined that there is sufficient evidence that our U.S.
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.
Payments for tax withholdings on vesting of RSUs partially offset by employee exercises of stock options used net cash flows of $43.7 million in fiscal 2023, a decrease of approximately $4.1 million from the net $47.8 million used in fiscal 2022. 33 Table of Contents Accounts receivable, net (In thousands) December 30, 2023 December 31, 2022 $ Change % Change Accounts receivable, net $ 104,373 $ 94,018 $ 10,355 11.0 % Days sales outstanding - Overall 56 49 7 Accounts receivable, net as of December 30, 2023 increased by approximately $10.4 million, or approximately 11%, compared to December 31, 2022.
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.
Inventories (In thousands) December 30, 2023 December 31, 2022 $ Change % Change Inventories $ 98,826 $ 110,375 $ (11,549 ) (10.5 )% Days of inventory on hand 175 187 (12 ) Inventories as of December 30, 2023 decreased $11.5 million, or approximately 11%, compared to December 31, 2022 primarily as a result of increased product shipments to meet customer demand.
Restructuring charges increased in fiscal 2022 compared to fiscal 2021 due to additional lease right-of-use asset impairment charges for our partially vacated facility in San Jose, California and contract termination fees in the current year under the internal restructuring plan that our management approved and executed in April 2019, as compared to minimal activity in the prior year.
Restructuring costs decreased in fiscal 2023 compared to fiscal 2022 due to lower costs in the current year periods for severance compared to higher costs in the prior year periods for lease right-of-use impairment and contract termination fees.
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.
Improved margins were driven by benefits from our gross margin expansion strategy including mix.
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.
Revenue from Asia decreased in fiscal 2023 compared to fiscal 2022 primarily due to the macroeconomic environment in the region, while revenue from the Americas and Europe increased due to increased demand in these regions driven by our Industrial and Automotive end market.
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 $65.6 million increase was due to the following activities. During fiscal 2023, we made discretionary payments totaling $130.0 million on our revolving loans under the 2022 Credit Agreement, an increase of $99.8 million from the $30.2 million of net payment and refinancing activity on our long-term debt in fiscal 2022.
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.
Accordingly, we reduced the valuation allowance against a significant portion of our U.S. deferred tax assets resulting in the inclusion of $56.9 million of U.S. Federal deferred tax assets on our Consolidated Balance Sheets. We continue to maintain a full valuation allowance against our state deferred tax assets due to insufficient income sources.