Quarterly report pursuant to Section 13 or 15(d)

Revenue, Segment and Geographic Information - Additional Information (Details)

v3.21.1
Revenue, Segment and Geographic Information - Additional Information (Details)
3 Months Ended
Mar. 31, 2021
USD ($)
Segment
Mar. 31, 2020
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]    
Number of Reportable Segments | Segment 2  
Germany    
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]    
Exception of Long-Lived Assets | $ $ 215,961  
Revenue | Customer Concentration Risk    
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]    
Concentration risk, percentage 38.00% 27.00%
Revenue | Customer Concentration Risk | Non-U.S.    
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]    
Concentration risk, percentage 66.00% 50.00%