Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

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

Restricted common stock and non-qualified stock option activity during the six months ended June 30, 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 (1)	(340,502)	—	N/A
April 1, 2022 to June 30, 2022 (1)	(165,174)	—	N/A
Total	(505,676)	—

(1)Includes shares of common stock cancelled in relation to unvested restricted stock awards.

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 June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Equity Classified Awards
Stock options
Cost of goods sold	$	89	$	—	$	174	$	—
Research and development	83		—		134		—
Selling, general and administrative	1,625		—		3,069		—
Preliminary stage projects	3		—		8		—
Other	99		—		193		—
Restricted stock
Cost of goods sold	109		—		217		—
Research and development	95		121		153		246
Selling, general and administrative	1,963		737		4,013		1,174
Preliminary stage projects	13		—		24		—
Other	141		—		279		—
Total equity classified awards	4,220		858		8,264		1,420
Liability Classified Awards
Restricted stock
Selling, general and administrative	(381)		—		(188)		—
Stock appreciation rights
Research and development	(126)		(159)		(126)		189
Selling, general and administrative	(26)		(7)		(5)		8
Total liability classified awards	(533)		(166)		(319)		197
Total stock-based compensation	$	3,687	$	692	$	7,945	$	1,617

Schedule Stock Option Award Activity

Stock option activity under the Company’s stock incentive plans and changes during the six months ended June 30, 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	4,746,368	$	5.11	9.6	$	—
Granted	16,791	$	3.68		$	—
Canceled or forfeited	(220,255)	$	5.56		$	—
Exercised	—				$	—
Options outstanding at June 30, 2022	4,542,904	$	—	9.1	$	—
Options vested and expected to vest at June 30, 2022	18,186	$	39.69	0.5	$	—

(1) Exercise price of options outstanding range from $2.73 to $19,620.00 as of June 30, 2022. The higher range end of the range is due to historical stock reverse splits.

Schedule of Non-vested Restricted Stock Awards

Non-vested restricted stock awards and the changes during the six months ended June 30, 2022, were as follows:


	Number of Shares	Weighted-Average Grant-Date Fair Value
Outstanding at December 31, 2021	6,882,502	$	3.77
Granted	165,174	$	4.45
Exercised	(209,398)	$	2.63
Canceled or forfeited	(252,801)	$	4.87
Vested	(364)	$	2.30
Non-vested at June 30, 2022	6,585,113	$	4.01