Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Performance Obligation (Details)

v3.19.3
Revenue Recognition - Performance Obligation (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,288
Expected timing of satisfaction, period 3 months
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 $ 365
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 $ 1,623
Expected timing of satisfaction, period 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 3,276
Product Sales [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 0
Expected timing of satisfaction, period 3 months
Product Sales [Member] | 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 $ 365
Expected timing of satisfaction, period 1 year
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 $ 1,623
Expected timing of satisfaction, period 2 years
Product Sales [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,988
Research and Development Revenue [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,288
Expected timing of satisfaction, period 3 months
Research and Development Revenue [Member] | 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
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 $ 0
Expected timing of satisfaction, period 2 years
Research and Development Revenue [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Performance obligation $ 1,288