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Accounts Receivable and Significant Concentrations (Details 2) - Sales Revenue, Net
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
U.S. Immigration and Customs Enforcement        
Concentration risk 0.00% 12.00% 0.00% 14.00%
U.S. Customs Boarder Patrol        
Concentration risk 0.00% 14.00% 0.00% 12.00%
U.S. Coast Guard        
Concentration risk 10.00% 0.00% 0.00% 0.00%
U.S. Census Bureau        
Concentration risk 61.00% 16.00% 54.00% 0.00%