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Employee and Consultant Equity-Based Compensation - Equity-Based Compensation Expense and Tax Benefit and Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 12,618 $ 14,422 $ 13,933
Recognized tax benefit   0 0 0
Unrecognized equity-based compensation cost   24,000    
RSU's        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized equity-based compensation cost   100    
Performance-Based Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 100 700  
Contractual life   10 years    
Granted (shares) 225,000      
Vested (shares)   75,000    
Forfeited (shares)   (100,000)    
Outstanding (shares)   125,000    
Shares outstanding not achieved performance targets or expensed (shares)   50,000    
Cost of Sales        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 277 189 99
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   4,115 4,760 3,738
Sales, general and administrative        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   8,226 9,473 10,096
Capitalized inventory        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense   $ 400 $ 500 $ 500
Minimum | Performance-Based Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   1 year    
Maximum | Performance-Based Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   2 years    
Granted in 2018 | Minimum | Performance-Based Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   5 years    
Granted in 2018 | Maximum | Performance-Based Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   6 years