Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Options Activity

The following is a summary of stock options activity during the year-ended December 31, 2022:

	Options Outstanding
	Number of Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
Balance—January 1, 2022		522,905		$	9.25		6.77	$	25,971
Options granted		—		$	—	—		$	—
Options exercised		—		$	—	—		$	—
Options canceled		(154,309	)	$	9.24	—		$	—
Balance—December 31, 2022		368,596		$	9.26		5.89	$	—
Exercisable as of December 31, 2022		368,596		$	9.26		5.89	$	—
Vested and expected to vest as of December 31, 2022		368,596		$	9.26		5.89	$	—

Summary of Restricted Stock Activity

A summary of restricted stock activity within the Company’s equity plans and changes for the year-ended December 31, 2022, is as follows:

Restricted Stock Awards	Shares			Weighted Average Grant- Date Fair Value
Nonvested at January 1, 2022		2,106,180		$	14.94
Granted		4,428,662		$	3.14
Vested		(1,888,337	)	$	10.38
Forfeited		(423,482	)	$	10.27
Nonvested at December 31, 2022		4,223,023		$	4.85

Summary of Total Stock-based Compensation Expense by Function

Stock-based compensation expense is allocated based on the cost center to which the award holder belongs. The following table summarizes the total stock-based compensation expense by function, including expense related to consultants for years-ended December 31, 2021 and 2022.

	Years-Ended December 31,
	2021		2022
	(in thousands, except percentages)
Sales and distribution expenses	$	6,809	$	5,014
Research and development expenses		5,339		1,871
General and administrative expenses		16,839		7,709
Total stock-based compensation expense	$	28,987	$	14,594