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Share-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Share-based Compensation Expense
The Company recognized share-based compensation in its unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) during 2023 and 2022 as follows:

 Three Months Ended
March 31,
 20232022
Manufacture and supply$41 $48 
Research and development72 169 
Selling, general and administrative231 696 
Total share-based compensation expenses$344 $913 
Share-based compensation from:
Restricted stock units$25 $— 
Stock options319 913 
Total share-based compensation expenses$344 $913 
Restricted Stock Units Awards The following tables provide information about the Company’s restricted stock unit and stock option activity during the three-month period ended March 31, 2023:
Restricted Stock Unit Awards (RSUs):Number of
Units		Weighted
Average
Grant Date Fair
Value
 (in thousands) 
Unvested as of December 31, 2022162 $2.38 
Granted1,724 $0.81 
Vested(26)$2.55 
Forfeited(39)$2.55 
Unvested as of March 31, 20231,821 $0.89 
Vested and expected to vest as of March 31, 20231,632 $0.89 
Stock Option Activity
Stock Option Awards:Number of
Options		Weighted Average
Exercise Price
 (in thousands)
Outstanding as of December 31, 20226,028 $5.48 
Granted— $— 
Exercised, Forfeited, Expired(253)$2.33 
Outstanding as of March 31, 20235,775 $5.62 
Vested and expected to vest as of March 31, 20235,666 $5.69 
Exercisable as of March 31, 20234,089 $6.92