Accrued Expenses

12 Months Ended

Dec. 31, 2017

Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4. Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2017		2016
Clinical Trials	$	807,322	$	770,158
Payroll and Benefits		788,551		668,802
Professional Fees		149,273		174,342
Consulting		57,487		44,983
Short-Term Portion of Capital Lease Obligation		11,214		12,645
Total Accrued Expenses	$	1,813,847	$	1,670,930