Other Current Assets and Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2019

Other Assets [Abstract]

Schedule of other current assets

	JUNE 30,		DECEMBER 31,
	2019		2018
	(Unaudited)
Inventories	$	460,140	$	183,900
Prepaid rent, insurance and other assets		794,129		902,786
Total other current assets	$	1,254,269	$	1,086,686

Schedule of accrued expenses

	JUNE 30,		DECEMBER 31,
	2019		2018
	(Unaudited)
Carrier service costs	$	9,472,300	$	8,476,110
Salaries and payroll taxes		1,236,248		1,308,726
Inventory purchases, consultants and other costs		1,638,714		913,038
Severance costs		7,612		1,634
U.S. income tax payable		5,900		8,550
Foreign income tax payable		8,540		8,380
Total accrued expenses	$	12,369,314	$	10,716,438