Other Current Assets and Accrued Expenses (Details 1) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Other Assets [Abstract]
Carrier service costs	$ 13,596,460	$ 12,274,440
Salaries and payroll taxes	2,728,088	1,781,628
Inventory purchases, consultants and other costs	1,006,107	834,131
Severance costs	7,612	7,612
U.S. income tax payable	3,670	8,850
Foreign income tax payable	6,110	41,320
Total accrued expenses	$ 17,348,047	$ 14,947,981