Other Current Assets and Accrued Expenses (Details 1) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Other Current Assets and Accrued Expenses
Carrier service costs	$ 9,763,550	$ 11,832,170
Salaries and payroll taxes	1,559,588	2,774,138
Inventory purchases, consultants and other costs	1,068,643	1,004,303
Carrier service costs	9,763,550	11,832,170
Salaries and payroll taxes	1,559,588	2,774,138
Inventory purchases, consultants and other costs	1,068,643	1,004,303
Other	55,422	15,702
Total accrued expenses	$ 12,447,203	$ 15,626,313