Other Current Assets and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Current Assets [Table Text Block]

Other current assets consisted of the following as of the periods presented below:

	MARCH 31,		DECEMBER 31,
	2018		2017
	(Unaudited)
Inventories	$	327,357	$	157,058
Prepaid rent, insurance and other assets		707,029		610,886
Total other current assets	$	1,034,386	$	767,944

Schedule of Accrued Liabilities [Table Text Block]

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

	MARCH 31,		DECEMBER 31,
	2018		2017
	(Unaudited)
Carrier service costs	$	5,593,250	$	7,339,150
Salaries and payroll taxes		1,279,566		1,259,331
Inventory purchases, consultants and other costs		705,750		762,770
Severance costs		121,507		328,109
U.S. income tax payable		8,850		8,850
Foreign income tax (receivable)		(7,160)		(1,860)
Contingent consideration (Note 3)		100,000		100,000
Total accrued expenses	$	7,801,763	$	9,796,350