Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Schedule of Restricted Common Stock And Non-qualified Stock Option Activity

Restricted common stock and non-qualified stock option activity during the three months ended March 31, 2022, consisted of the following:

Period	Total Number of Restricted Shares Issued		Total Number of Non-qualified Stock Options Granted	Vesting Periods Years
January 1, 2022 to March 31, 2022	(340,502)	(1)	—	N/A
Total	(340,502)		—

Schedule of Stock-based Compensation Expense

The following table sets forth the Company’s stock-based compensation expense for the periods indicated (in thousands):

	Three Months Ended March 31,
	2022		2021
Equity Classified Awards
Stock options
Cost of goods sold	$	85	$	—
Research and development	51		—
Selling, general and administrative	1,444		—
Preliminary stage projects	5
Other	94
Restricted stock
Cost of goods sold	108		—
Research and development	58		125
Selling, general and administrative	2,050		437
Preliminary stage projects	11
Other	138
Total equity classified awards	4,044		562
Liability Classified Awards
Restricted stock
Selling, general and administrative	193		—
Stock appreciation rights
Research and development	—		348
Selling, general and administrative	21		15
Total liability classified awards	214		363
Total stock-based compensation	$	4,258	$	925

Schedule Stock Option Award Activity

Stock option activity under the Company’s stock incentive plans and changes during the three months ended March 31, 2022, were as follows:

	Number of Options	Weighted-Average Exercise Price (1)		Weighted-Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Options outstanding at December 31, 2021	4,739,940	$	5.14	9.6	$	—
Granted	—
Canceled or forfeited	(174,187)	$	5.63
Exercised	—
Options outstanding at March 31, 2022	4,565,753	$	5.12	9.4	$	—
Options exercisable at March 31, 2022	1,520	$	427.69	4.4	$	—

(1) Exercise price of options outstanding range from $4 to $99,300 as of March 31, 2022. The higher range is related to historical stock reverse splits.

Schedule of Non-vested Restricted Stock Awards

Non-vested restricted stock awards and the changes during the three months ended March 31, 2022, were as follows:

	Number of Shares	Weighted-Average Grant-Date Fair Value
Outstanding at December 31, 2021	7,094,785	$	3.93
Granted	—	$	—
Exercised	(165,870)	$	1.09
Canceled or forfeited	(174,268)	$	4.53
Vested	(364)	$	2.30
Non-vested at March 31, 2022	6,754,283	$	4.01