Note 6 - Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Accrued salaries	$ 351,268	$ 201,170
Accrued directors’ fees	133,370	78,070
Other	15,000	15,000
Total accrued expenses	$ 499,638	$ 294,240