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Stock Option Plan and Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Share-Based Payment Arrangement [Abstract]

Summary of Common Stock Available for Issuance

The following table summarizes the activity in total shares of common stock available for issuance under the 2020 Plan:

		Shares Available for Grant
Balance, January 1, 2025			397,654
Shares added			—
Granted			(236,785	)
Forfeited			17,695
Balance, June 30, 2025			178,564

Summary of Effects of Stock-Based Compensation

The following table summarizes the effects of stock-based compensation on cost of sales, research and development, and sales, general and administrative expenses granted under the 2010 Equity Incentive Plan and 2020 Equity Incentive Plan (collectively, the Plans) (in thousands) for the three and six months ended June 30, 2025 and 2024:

		Three months ended June 30,								Six months ended June 30,
		2025				2024				2025				2024
Cost of sales		$	40			$	71			$	100			$	101
Research and development		$	330				873				719				1,148
Sales, general and administrative		$	395				694				797				940
Total		$	765			$	1,638			$	1,616			$	2,189

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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.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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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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