Note 5 - Summary of Accrued Expenses (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Accrued interest payable	$ 0	$ 14,009
Accrued payroll and payroll related expenses	283,585	56,947
Accrued professional fees	241,524	327,950
Accrued clinical studies expenses	471,406	184,737
Other accrued expenses	91,223	38,026
Total	$ 1,087,738	$ 621,669