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Accounts Receivable and Significant Concentrations (Details 1) - Accounts Receivable [Member]
9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
U.S. Customs Border Patrol [Member]    
Concentration risk 0.00% 14.00%
U.S. Coast Guard [Member]    
Concentration risk 11.00% 13.00%
Iron Bow Technologies [Member]    
Concentration risk 0.00% 15.00%
CDW-G [Member]    
Concentration risk 11.00% 0.00%