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Unbilled Accounts Receivable (Tables)
6 Months Ended
Jun. 30, 2019
Receivables [Abstract]  
Schedule of unbilled accounts receivable
    JUNE 30,     DECEMBER 31,  
    2019     2018  
    As a % of     As a % of  
Customer Name   Receivables     Receivables  
    (Unaudited)  
U.S. Department of Homeland Security Headquarters     --       11 %
U.S. Immigration and Customs Enforcement     30 %     37 %
U.S. Federal Air Marshall Service     14 %     --  
U.S. Coast Guard     12 %     11 %
U.S. Transportation Safety Administration     --       10 %