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Stock-Based Incentive Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Available for Grant

A summary of shares available for grant under the Company’s 2021 Equity Incentive Plan, or the 2021 Plan, is as follows:

			Shares Available for Grant
Shares available for grant as of January 1, 2023			1,443,946
Authorized			1,252,287
Granted/Awarded			(1,821,762)
Cancelled			49,627
Withheld for taxes			35,562
Shares available for grant as of March 31, 2023			959,660

Schedule of Stock Option Activity

A summary of stock option activity for the three months ended March 31, 2023 is set forth below:

			Options Outstanding
			Number of Shares						Weighted-Average Exercise Price						Weighted Average Remaining Contractual Term (in Years)
Balances as of January 1, 2023			3,446,583						$	3.61					8.06
Granted			120,521						$	1.54
Exercised			(17,608)						$	0.03
Cancelled			(17,898)						$	6.40
Balances at March 31, 2023			3,531,598						$	3.54					7.92
Vested and exercisable at March 31, 2023			2,003,254						$	2.66					7.69
Vested and expected to vest at March 31, 2023			3,531,598						$	3.54					7.92

Schedule of Restricted Stock Units

Activity with respect to restricted stock units was as follows:

			Number of Shares Underlying Outstanding Restricted Stock Units						Weighted Average Grant Date Fair Value
Unvested, January 1, 2023			1,756,209						$	10.15
Granted			1,701,241						$	4.61
Vested			(325,747)						$	9.54
Cancelled			(31,729)						$	13.12
Unvested, March 31, 2023			3,099,974						$	7.14

Schedule of Share-based Payment Arrangement, Expensed and Capitalized, Amount

The Company recognized stock-based compensation as follows (in thousands):

			Three Months Ended March 31,
			2023						2022
Cost of goods sold			$	146					$	110
Research and development			500						440
Selling, general and administrative			1,479						938
Total stock-based compensation			$	2,125					$	1,488

The above stock-based compensation expense related to the following equity-based awards (in thousands):

			Three Months Ended March 31,
			2023						2022
Stock options and restricted stock units			$	2,071					$	1,352
ESPP			54						136
Total stock-based compensation			$	2,125					$	1,488

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Tabular disclosure of share-based payment arrangement.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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