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Common Stock Options and Restricted Stock - Schedule of Share-based Compensation Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense recognized $ 2,995 $ 8,100
Research And Development [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense recognized 694 1,745
Selling, general and administrative    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense recognized 2,282 6,020
Cost of sales    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation expense recognized $ 19 $ 335