Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2017

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:

	DECEMBER 31,
	2017		2016
Inventories	$	157,058	$	123,287
Prepaid rent, insurance and other assets		610,886	$	385,388
Income tax receivable		-		42,896
Other current assets	$	767,944	$	551,571