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Stock-Based Compensation

9 Months Ended

Sep. 30, 2022

Stock-Based Compensation

Stock-Based Compensation

9. Stock-Based Compensation

The following table summarizes the classification of stock-based compensation expense in the Company’s condensed consolidated statements of operations related to options and restricted stock units granted to employees and nonemployees:


		Three Months Ended						Nine Months Ended
		September 30,						September 30,
(in thousands)		2022			2021			2022			2021
Cost of goods sold ⁽¹⁾		$	184		$	394		$	555		$	896
Research and development			5,173			4,126			14,707			14,642
Selling, general and administrative			6,925			7,419			23,749			24,880
Stock-based compensation expense		$	12,282		$	11,939		$	39,011		$	40,418

Stock-based compensation expense capitalized into inventory		$	290		$	241		$	904		$	758

(1)	Stock-based compensation capitalized into inventory is recognized as cost of goods sold when the related product is sold.