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Details of Consolidated Revenue and Revenue by Geographic Region (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information [Line Items]        
Revenues, net $ 18,463,872 $ 22,114,839 $ 55,956,617 $ 60,163,145
Carrier Services [Member]        
Segment Reporting Information [Line Items]        
Revenues, net 11,245,395 13,532,617 32,191,335 35,721,245
Managed Services [Member]        
Segment Reporting Information [Line Items]        
Revenues, net $ 7,218,477 $ 8,582,222 $ 23,765,282 $ 24,441,900