Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues, net	$ 29,616,940	$ 21,294,360	$ 73,626,995	$ 58,918,317
Carrier Services [Member]
Revenues, net	20,576,190	13,104,865	48,943,130	36,199,890
Managed Service Fees [Member]
Revenues, net	7,048,662	5,729,620	19,027,689	16,709,827
Billable Service Fees [Member]
Revenues, net	1,091,330	423,858	3,415,046	1,553,750
Reselling and Other Services [Member]
Revenues, net	$ 900,758	$ 2,036,017	$ 2,241,130	$ 4,454,850