Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Performance Obligation (Details)

v3.20.1
Revenue Recognition - Performance Obligation (Details)
$ in Thousands
Mar. 31, 2020
USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 8,536
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 5,842
Expected timing of satisfaction, period 9 months
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 $ 1,071
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 $ 1,623
Expected timing of satisfaction, period
Product Sales [Member]  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 2,053
Product Sales [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 66
Expected timing of satisfaction, period 9 months
Product Sales [Member] | 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 $ 364
Expected timing of satisfaction, period 1 year
Product Sales [Member] | 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 $ 1,623
Expected timing of satisfaction, period
Research and Development Revenue [Member]  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 6,483
Research and Development Revenue [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 5,776
Expected timing of satisfaction, period 9 months
Research and Development Revenue [Member] | 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 $ 707
Expected timing of satisfaction, period 1 year
Research and Development Revenue [Member] | 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