Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

The following tables present the Company’s stock-based compensation for stock-settled awards by type (i.e., stock options and restricted stock units (“RSUs”) granted under the Company’s incentive plans, and rights to purchase shares of common stock issued under the Company’s Employee Stock Purchase Plan (“ESPP”) and financial statement lines included in the accompanying unaudited condensed consolidated statement of operations and comprehensive loss for the three and nine months ended September 30:

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024		2023
	(in thousands)
Options	$	233	$	645	$	880	$	2,233
RSUs		397		1,094		3,343		3,389
ESPP		—	45			—	163
Total stock-based compensation expense	$	630	$	1,784	$	4,223	$	5,785

	Three months ended September 30,
	2024						2023
	Continuing operations		Discontinued operations		Total		Continuing operations		Discontinued operations		Total
	(in thousands)
Cost of sales	$	14	$	—	$	14	$	44	$	10	$	54
Selling and marketing		47		—		47		550		6		556
General and administrative		539		—		539		1,010		19		1,029
Research and development		30		—		30		136		9		145
Total stock-based compensation expense	$	630	$	—	$	630	$	1,740	$	44	$	1,784
	Nine months ended September 30,
	2024						2023
	Continuing operations		Discontinued operations		Total		Continuing operations		Discontinued operations		Total
	(in thousands)
Cost of sales	$	324	$	79	$	403	$	262	$	31	$	293
Selling and marketing		838		59		897		1,698		18		1,716
General and administrative		2,141		140		2,281		3,156		55		3,211
Research and development	551		91			642		538		27		565
Total stock-based compensation expense	$	3,854	$	369	$	4,223	$	5,654	$	131	$	5,785

Schedule of Unamortized Compensation Cost and Weighted Average Service Period of Unvested Outstanding Awards

The following table presents the unamortized compensation cost and weighted average service period of all unvested outstanding awards as of September 30, 2024.

	Unamortized Compensation Costs		Weighted Average Service Period
	(in thousands)		(years)
Options	$	660		0.75
RSUs		2,978		3.28
Total unamortized compensation cost	$	3,638

Summary of Stock Option Activity under Incentive Plans

The following table summarizes stock option activity under the Company’s incentive plans:

	Number of Shares			Weighted Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life	Aggregate Intrinsic Value
						(in years)	(in thousands)
Options outstanding, December 31, 2023		11,786		$	571.27	6.3	$	—
Forfeited/Expired		(3,670	)
Options outstanding, September 30, 2024		8,116		$	592.24	5.2	$	—
Options vested and exercisable, September 30, 2024		7,600		$	559.60	5.1	$	—

Summary of Non Vested Stock Options

The following table summarizes the non-vested stock options that were outstanding as of September 30, 2024 and December 31, 2023:

	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested Options, December 31, 2023		2,217	$	1,045.01
Non-vested Options, September 30, 2024		505	$	1,736.21

Summary of RSU Activity under Incentive Plans

The following table summarizes RSU activity under the Company’s incentive plans:

	Number of Shares			Weighted Average Grant Date Fair Value
RSUs outstanding, December 31, 2023		16,593		$	517.03
Granted		29,194		$	7.98
Vested		(6,245	)	$	570.64
Forfeited		(4,120	)	$	502.49
RSUs outstanding, September 30, 2024		35,422		$	87.71