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Business Combination - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Jul. 03, 2017
PayGroup    
Business Acquisition [Line Items]    
Percentage of share capital acquired   100.00%
Processa, S.A.S and Accuprint, Inc    
Business Acquisition [Line Items]    
Percentage of share capital acquired 65.00%  
Processa, S.A.S    
Business Acquisition [Line Items]    
Consideration transferred $ 6.4  
Accuprint, Inc    
Business Acquisition [Line Items]    
Consideration transferred 9.7  
Customer Relationships | Processa, S.A.S    
Business Acquisition [Line Items]    
Consideration transferred, finite-lived intangibles 3.1  
Customer Relationships | Accuprint, Inc    
Business Acquisition [Line Items]    
Consideration transferred, finite-lived intangibles 9.1  
Contingent liability $ 1.1