Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Stock-Based Compensation

Summary of compensation costs related to stock-based awards

The following table summarizes compensation costs related to our stock-based awards (in thousands, except per share data):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2024		2023		2024		2023
Cost of revenue	$	73	$	102	$	246	$	310
Selling, general and administrative		623		639		1,702		1,926
Research and development		124		150		396		482
Net effect on net loss	$	820	$	891	$	2,344	$	2,718

Summary of stock option activity

The following table summarizes the stock option transactions during the nine months ended September 30, 2024 (in thousands, except per share data):

				Weighted-
				average
		Weighted-		Remaining
	Number of	average		Contractual	Aggregate
	Options	Exercise		Life	Intrinsic
Stock Options	Outstanding	Price		(in years)	Value
Balance as of January 1, 2024	1,198	$	5.10	4.09	$	14
Granted	—		—
Exercised	(12)		2.24
Canceled and expired	—		—
Balance as of September 30, 2024	1,186	$	5.13	3.38	$	13
Options vested as of September 30, 2024 and unvested options expected to vest, net of forfeitures	1,186	$	5.13	3.38	$	13
Options exercisable as of September 30, 2024	1,186	$	5.13	3.38	$	13

Summary of restricted stock awards activity

A summary of activity related to restricted stock awards for the nine months ended September 30, 2024 is presented below (in thousands, except per share data):

		Weighted-Average
		Grant Date
Stock Awards	Shares	Share Value
Non-vested as of January 1, 2024	1,220	$	3.75
Granted	204	$	3.08
Vested	(166)	$	5.04
Forfeited	(4)	$	3.29
Non-vested as of September 30, 2024	1,254	$	3.47

Summary of unvested at-risk performance shares

A summary of the status of our unvested at-risk, performance shares as of September 30, 2024 is presented below (in thousands, except per share data):

		Weighted-Average
		Grant Date
Stock Awards	Shares	Share Value
Non-vested as of January 1, 2024	38	$	15.37
Granted (1)	226	$	2.28
Vested	—	$	—
Forfeited	—	$	—
Non-vested as of September 30, 2024	264	$	4.16

(1) The number of shares presented is based on achieving 150% of the targeted financial performance metric as defined in the at-risk, performance shares agreement.