Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Contract Revenue Description Information [Line Items]
Revenues, net	$ 17,544,338	$ 18,880,506	$ 37,623,957	$ 37,492,745
Carrier Services [Member]
Contract Revenue Description Information [Line Items]
Revenues, net	11,282,881	10,910,179	23,095,025	20,945,940
Managed Services [Member] | Managed Service Fees [Member]
Contract Revenue Description Information [Line Items]
Revenues, net	4,988,899	5,181,579	9,884,162	10,053,817
Managed Services [Member] | Billable Service Fees [Member]
Contract Revenue Description Information [Line Items]
Revenues, net	526,061	1,051,404	1,129,892	2,089,631
Managed Services [Member] | Reselling and Other Services [Member]
Contract Revenue Description Information [Line Items]
Revenues, net	$ 746,497	$ 1,737,344	$ 3,514,878	$ 4,403,357