Revenue from Contracts with Customers (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue, net	$ 29,616,940	$ 21,294,360	$ 73,626,995	$ 58,918,317
U.S. Federal Government [Member]
Revenue, net	25,734,891	16,947,681	62,339,060	45,132,500
U.S. State and Local Governments [Member]
Revenue, net	112,108	112,273	354,289	331,801
Foreign Governments [Member]
Revenue, net	15,334	28,933	84,231	133,855
Commercial Enterprises [Member]
Revenue, net	$ 3,754,607	$ 4,205,473	$ 10,849,415	$ 13,320,161