Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

The Company recognized share-based compensation in its Consolidated Statements of Operations during the periods presented as follows:


Expense classification:	Year Ended December 31, 2022		Year Ended December 31, 2021
Manufacture and supply	$	203	$	313
Research and development	672		881
Selling, general and administrative	3,506		5,625
Total share-based compensation expenses	$	4,381	$	6,819
Share-based compensation from:
Restricted Stock Units	127		81
Stock Options	4,244		6,714
Employee Stock Purchase Plan	10		24
Total share-based compensation expenses	$	4,381	$	6,819

The following table summarizes the Company’s awards of restricted stock units for the years during 2021 and 2022:


	Number of Units	Weighted Average Grant Date Fair Value Per Share
	(In thousands)
Unvested, December 31, 2020	14	$	11.38
Granted	—	—
Forfeited	(2)	13.00
Vested	(12)	11.14
Unvested, December 31, 2021	—
Granted	192	2.37
Forfeited	(20)	2.21
Vested	(10)	2.55
Unvested, December 31, 2022	162	$	2.38

The following table summarizes the Company’s stock option activity for the years during 2021 and 2022:


(in 000s, except share price data)	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years	Aggregate Intrinsic Value
Outstanding at December 31, 2020	3,259	$	8.14	8.42	$	2,978
Granted	1,212	$	4.73
Forfeited and Expired	(264)	$	7.52
Exercised	(61)
Outstanding at December 31, 2021	4,146	$	7.28	7.88	$	1,423
Granted	2,015	1.83
Forfeited and Expired	(133)	$	7.81
Exercised	—	$	—
Outstanding at December 31, 2022	6,028	$	5.48	7.50	$	38
Vested and expected to vest at December 31, 2022	5,877	$	5.57	7.46	$	36
Exercisable at December 31, 2022	3,652	$	7.42	6.57	$	—

The fair values of stock options granted were estimated using the Black-Scholes model based on the following assumptions: