Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Performance Obligation (Details)

v3.19.3.a.u2
Revenue Recognition - Performance Obligation (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 2,044
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 57
Expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 365
Expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,622
Expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period
Product Sales  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,987
Product Sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period 1 year
Product Sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 365
Expected timing of satisfaction, period 1 year
Product Sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,622
Expected timing of satisfaction, period 1 year
Product Sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period
Research and Development Revenues  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 57
Research and Development Revenues | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 57
Expected timing of satisfaction, period 1 year
Research and Development Revenues | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period 1 year
Research and Development Revenues | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period 1 year
Research and Development Revenues | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period