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Other Current Liabilities
 12 Months Ended
Dec. 31, 2021
Other Current Liabilities  
Other Current Liabilities

12. Other Current Liabilities

 

Accrued expenses consisted of the following as of the periods presented below:

 

 

 

DECEMBER 31,

 

 

DECEMBER 31,

 

 

 

2021

 

 

2020

 

 

 

 

 

 

 

 

Carrier service costs

 

$8,771,660

 

 

$11,832,170

 

Salaries and payroll taxes

 

 

2,213,356

 

 

 

2,774,138

 

Inventory purchases, consultants and other costs

 

 

1,345,900

 

 

 

1,004,303

 

Severance costs

 

 

7,612

 

 

 

7,612

 

U.S. income tax payable

 

 

(23,570)

 

 

28,130

 

Foreign income tax payable

 

 

29,460

 

 

 

(20,040)

 

 

 

 

 

 

 

 

 

Total accrued expenses

 

$12,344,418

 

 

$15,626,313