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Balance Sheet Details (Tables)
 3 Months Ended
Mar. 31, 2022
Balance Sheet Related Disclosures [Abstract]  
Schedule of Cash and Cash Equivalents Cash, cash equivalents and restricted cash consist of the following:
March 31, 2022December 31, 2021
(in thousands)
Cash and cash equivalents$151,111 $130,572 
Short-term restricted cash105 105 
Long-term restricted cash1,037 1,061 
Total cash, cash equivalents and restricted cash$152,253 $131,738 
Restrictions on Cash and Cash Equivalents Cash, cash equivalents and restricted cash consist of the following:
March 31, 2022December 31, 2021
(in thousands)
Cash and cash equivalents$151,111 $130,572 
Short-term restricted cash105 105 
Long-term restricted cash1,037 1,061 
Total cash, cash equivalents and restricted cash$152,253 $131,738 
Inventory Inventory consists of the following:
March 31, 2022December 31, 2021
(in thousands)
Work-in-process$74,191 $72,369 
Finished goods64,850 59,334 
$139,041 $131,703 
Property and Equipment Property and equipment, net consists of the following:
Useful Life
(in Years)		March 31, 2022December 31, 2021
(in thousands)
Furniture and fixtures5$3,956 $3,917 
Machinery and equipment
3-5
66,524 65,004 
Masks and production equipment
2-5
32,284 32,099 
Software38,921 8,763 
Leasehold improvements
1-5
31,239 30,889 
Construction in progressN/A5,891 4,647 
148,815 145,319 
Less: accumulated depreciation and amortization(88,793)(84,395)
$60,022 $60,924 
Price Protection Liability Accrued price protection liability consists of the following activity:
Three Months Ended March 31,
20222021
(in thousands)
Beginning balance$40,509 $47,766 
Charged as a reduction of revenue41,473 24,423 
Payments(13,633)(17,160)
Ending balance$68,349 $55,029 
Accrued Expenses Accrued expenses and other current liabilities consist of the following:
March 31, 2022December 31, 2021
(in thousands)
Accrued technology license payments$5,988 $7,337 
Accrued professional fees3,565 3,651 
Accrued engineering and production costs4,076 2,934 
Accrued restructuring295 320 
Accrued royalty1,911 2,080 
Short-term lease liabilities8,588 8,888 
Accrued customer credits1,932 5,136 
Income tax liability7,931 7,105 
Customer contract liabilities1,089 1,044 
Accrued obligations to customers for price adjustments29,226 6,721 
Accrued obligations to customers for stock rotation rights2,498 2,847 
Other8,454 9,205 
$75,553 $57,268 
Schedule of Accumulated Other Comprehensive Income (Loss) by Component The following table summarizes the change in balances of accumulated other comprehensive income (loss) by component:
Cumulative Translation AdjustmentsPension and Other Defined Benefit Plan ObligationTotal
(in thousands)
Balance at December 31, 2021$21 $2,104 $2,125 
Other comprehensive income (loss) before reclassifications, net of tax(1,075)— (1,075)
Balance at March 31, 2022$(1,054)$2,104 $1,050