Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Option Activity

A summary of stock option activity for the three months ended March 31, 2024 is as follows:

	Number Outstanding			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Balance as of January 1, 2024		494,960		$	4.99		2.23	$	1,725,985
Granted		—			—
Cancelled or Expired		(7,500	)		8.97
Exercised		—			—
Balance as of March 31, 2024		487,460		$	4.93		2.01	$	1,583,118
Vested or expected to vest as of March 31, 2024		487,460		$	4.93		2.01	$	1,583,118
Exercisable as of March 31, 2024		487,460		$	4.93		2.01	$	1,583,118

Summary Information about Stock Options Outstanding

The following table summarizes information about stock options outstanding as of March 31, 2024:

	Stock Options Outstanding						Stock Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$4.36 - $7.20		446,460		2.17	$	4.37		446,460	$	4.37
$10.93 - $16.40		41,000		0.25		10.93		41,000		10.93
$4.36 - $16.40		487,460		2.01	$	4.93		487,460	$	4.93

Summary of Stock Unit Activity

The following is a summary of RSU activity for the three months ended March 31, 2024:

	Number Outstanding			Weighted Average Fair Value
Unvested as of January 1, 2024		730,062		$	11.17
Granted		127,919			8.63
Vested		(106,761	)		10.16
Forfeited		—			—
Unvested as of March 31, 2024		751,220		$	10.88
RSUs vested but not released		65,568		$	10.72

Stock-Based Compensation Expense Related to Stock Options and RSUs

The following table summarizes stock-based compensation expense related to stock options and RSUs included in the condensed consolidated statements of comprehensive income (loss) for the three months ended March 31, 2024 and 2023 (in thousands):

	Three Months Ended March 31,
	2024		2023
Cost of revenue	$	47	$	45
Research and development		182		202
Selling and marketing		264		293
General and administrative		526		450
Total	$	1,019	$	990