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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Stock Option Activity and Related Information

A summary of the Company’s stock option activity and related information are as follows (options in thousands):

									Year Ended
									December 31, 2021
															Options						Price
Outstanding, beginning of period															6,507						$	3.94
Granted															1,551						8.82
Exercised															(1,511)						2.77
Forfeited															(182)						6.00
Outstanding, end of period															6,365						5.34
Vested and expected to vest															6,365						5.34
Exercisable															3,082						4.15

Schedule of Restricted Stock Unit Activity

A summary of the Company’s restricted stock unit activity and related information are as follows (restricted stock units in thousands):

									Year Ended
									December 31, 2021
															Restricted Stock Units						Weighted-Average Fair Value
Outstanding, beginning of period															—						$	—
Awarded															35						34.78
Outstanding, end of period															35						34.78

Share-based Payment Arrangement, Expensed and Capitalized, Amount

Total stock-based compensation recognized, before taxes, are as follows (in thousands):

									Year Ended December 31,
									2021						2020
Cost of sales									$	253					$	80
Research and development									783						543
Sales, general and administrative									2,760						1,550
Total stock-based compensation									$	3,796					$	2,173

Schedule of Fair Value Assumptions

The fair value of the options granted to employees or directors was estimated as of the grant date using the Black-Scholes model assuming the weighted-average assumptions listed in the following table:

									Year Ended December 31,
									2021						2020
Expected life (years)									6.0						6.0
Expected volatility									50		%				41		%
Risk-free interest rate									1.0		%				0.9		%
Expected dividend rate									—		%				—		%
Weighted-average fair value									$	4.36					$	1.95

The fair value of the options granted under the 2021 ESPP to employees was estimated as of the grant date using the Black-Scholes model assuming the weighted-average assumptions listed in the following table:

									Year Ended
									December 31, 2021
Expected life (years)									0.9
Expected volatility									50		%
Risk-free interest rate									0.1		%
Expected dividend rate									—		%
Weighted-average fair value									$	8.44

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Tabular disclosure of share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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