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Revenue by Service Type, Customer Type and by Geographic Region (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Revenue, net $ 83,678,896 $ 75,884,246
U.S. Federal Government [Member]    
Revenue, net 66,346,922 58,625,389
U.S. State and Local Governments [Member]    
Revenue, net 445,855 394,704
Foreign Governments [Member]    
Revenue, net 148,155 193,565
Commercial Enterprises [Member]    
Revenue, net $ 16,737,964 $ 16,670,588