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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Revenue    
Revenue $ 113,762 $ 99,050
Cost of revenue    
Cost of product revenue 26,423 18,397
Cost of contract and other revenue 1,691 624
Amortization of acquired intangible assets 3,562 3,378
Cost of revenue 31,676 22,399
Gross profit 82,086 76,651
Operating expenses:    
Research and development 41,898 39,815
Sales, general and administrative 30,964 26,906
Amortization of acquired intangible assets 382 409
Change in fair value of earn-out liability 6,900 1,200
Total operating expenses 80,144 68,330
Operating income 1,942 8,321
Interest income and other income (expense), net 2,161 1,360
Loss on extinguishment of debt 0 (66,497)
Loss on fair value adjustment of derivatives, net (240) (8,283)
Interest expense (381) (605)
Interest and other income (expense), net 1,540 (74,025)
Income (loss) before income taxes 3,482 (65,704)
Provision for income taxes 201 514
Net income (loss) $ 3,281 $ (66,218)
Net income (loss) per share:    
Basic net income (loss) per share $ 0.03 $ (0.60)
Diluted net income (loss) per share $ 0.03 $ (0.60)
Weighted-average shares used in per share calculation:    
Basic (in shares) 108,277 109,889
Diluted (in shares) 111,153 109,889
Product revenue    
Revenue    
Revenue $ 63,775 $ 47,969
Royalties    
Revenue    
Revenue 28,169 30,464
Contract and other revenue    
Revenue    
Revenue $ 21,818 $ 20,617