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v3.20.1

Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Liabilities Disclosure [Abstract] |
Schedule of accrued liabilities |
|  | DECEMBER 31, |  |  | DECEMBER 31, |
|  | 2019 |  |  | 2018 |
Carrier service costs |  | $ | 12,274,440 |  |  | $ | 8,476,110 |
Salaries and payroll taxes |  |  | 1,781,628 |  |  |  | 1,308,726 |
Inventory purchases, consultants and other costs |  |  | 834,131 |  |  |  | 913,038 |
Severance costs |  |  | 7,612 |  |  |  | 1,634 |
U.S. income tax payable |  |  | 8,850 |  |  |  | 8,550 |
Foreign income tax payable |  |  | 41,320 |  |  |  | 8,380 |
Total accrued expenses |  | $ | 14,947,981 |  |  | $ | 10,716,438 |

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