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Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Stock-Based Compensation        
Share-based compensation expense $ 1,441 $ 740 $ 2,022 $ 3,896
Tax benefit related to stock-based compensation 0 0 0 0
Non-Vested Time-Based Stock Options and Restricted Stock Units        
Stock-Based Compensation        
Unrecognized compensation cost related to unvested awards 1,500   $ 1,500  
Weighted-average remaining vesting period     2 years 4 months 24 days  
Performance-Based Stock Options        
Stock-Based Compensation        
Share-based compensation expense     $ 1,184  
Cost Of Sales.        
Stock-Based Compensation        
Share-based compensation expense 4 2 11 5
Selling General And Administrative Expenses.        
Stock-Based Compensation        
Share-based compensation expense 1,367 582 1,837 3,351
Research And Development Expense.        
Stock-Based Compensation        
Share-based compensation expense $ 70 $ 156 $ 174 $ 540