Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues, net	$ 21,294,360	$ 18,463,872	$ 58,918,317	$ 55,956,617
Carrier Services [Member]
Revenues, net	13,104,865	11,245,395	36,199,890	33,522,669
Management Services [Member] | Managed Service Fees [Member]
Revenues, net	5,729,620	5,295,743	16,709,827	16,859,799
Management Services [Member] | Billable Service Fees [Member]
Revenues, net	423,858	796,727	1,553,750	2,556,304
Management Services [Member] | Reselling and Other Services [Member]
Revenues, net	$ 2,036,017	$ 1,126,007	$ 4,454,840	$ 3,017,845