Annual report pursuant to Section 13 and 15(d)

Molteni Purchase Agreement - Additional Information (Details)

v3.20.1
Molteni Purchase Agreement - Additional Information (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 21, 2018
EUR (€)
Mar. 21, 2018
USD ($)
Aug. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Aug. 31, 2018
EUR (€)
Aug. 31, 2018
USD ($)
Purchase Agreement              
Proceeds from Sale of Productive Assets € 2,000,000 $ 2,400          
Revenue from Contract with Customer, Including Assessed Tax € 2,000,000 $ 2,300 $ 1,100 $ 3,611 $ 6,618    
Estimated Selling Price       1,400      
Amount Received Under Amendment To Purchase Agreement           € 950,000 $ 1,100
Convertible Debt           € 550,000 $ 600
Intellectual Property [Member]              
Purchase Agreement              
Finite-Lived Intangible Assets, Translation and Purchase Accounting Adjustments       $ 1,000      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01              
Purchase Agreement              
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period       15 years