Accrued Expenses and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Liabilities and Other Liabilities [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses and other liabilities consisted of the following:

	December 31,
	2016		2015
Accrued research and development expenses	$	895,438	$	451,805
Accrued professional fees		987,426		600,390
Accrued employee and payroll related expenses		159,554		102,632
Other		41,054		93,881
Accrued expenses and other liabilities	$	2,083,472	$	1,248,708