Other Current Assets and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2021

Other Assets [Abstract]

Schedule of other current assets

		MARCH 31,		DECEMBER 31,
		2021		2020
	(Unaudited)
Inventories		$	658,560	$	990,976
Prepaid rent, insurance and other assets			1,034,135		772,657
Total other current assets		$	1,692,695	$	1,763,633

Schedule of accrued expenses

		MARCH 31,		DECEMBER 31,
		2021		2020
	(Unaudited)
Carrier service costs		$	8,215,400	$	11,832,170
Salaries and payroll taxes			2,125,168		2,774,138
Inventory purchases, consultants and other costs			967,360		1,004,303
Severance costs			7,612		7,612
U.S. income tax payable			22,130		28,130
Foreign income tax payable			16,410		(20,040	)
Total accrued expenses		$	11,354,080	$	15,626,313