Note 8 - Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Other Current Liabilities [Table Text Block]

	December 31,
	2016		2015
Accrued interest payable	$	29,359	$	14,009
Accrued payroll and payroll related expenses		399,740		56,947
Accrued professional fees		72,855		327,950
Accrued clinical studies expenses		220,978		184,737
Other		151,332		38,026
Total	$	874,264	$	621,669