Quarterly report pursuant to Section 13 or 15(d)

Geographic Information - Summary of Revenue by Geographic Area (Details)

v3.20.1
Geographic Information - Summary of Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Revenue $ 33,633 $ 27,725
Italy    
Segment Reporting Information [Line Items]    
Revenue $ 14,608 $ 13,408
Italy | Geographic Concentration Risk | Revenue    
Segment Reporting Information [Line Items]    
Concentration risk percentage 43.40% 48.40%
India    
Segment Reporting Information [Line Items]    
Revenue $ 8,893 $ 8,171
India | Geographic Concentration Risk | Revenue    
Segment Reporting Information [Line Items]    
Concentration risk percentage 26.40% 29.50%
United States    
Segment Reporting Information [Line Items]    
Revenue $ 4,289 $ 1,692
United States | Geographic Concentration Risk | Revenue    
Segment Reporting Information [Line Items]    
Concentration risk percentage 12.80% 6.10%
Europe (excluding Italy)    
Segment Reporting Information [Line Items]    
Revenue $ 2,573 $ 3,598
Europe (excluding Italy) | Geographic Concentration Risk | Revenue    
Segment Reporting Information [Line Items]    
Concentration risk percentage 7.70% 13.00%
Rest of the World    
Segment Reporting Information [Line Items]    
Revenue $ 3,270 $ 856
Rest of the World | Geographic Concentration Risk | Revenue    
Segment Reporting Information [Line Items]    
Concentration risk percentage 9.70% 3.00%