Note 6 - Accrued Expenses (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2017

Dec. 31, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31, 2017		December 31, 2016
Accrued salaries	$	276,220	$	201,170
Accrued directors’ fees		105,769		78,070
Other		15,000		15,000
Total accrued expenses	$	396,989	$	294,240

	2016		2015
Accrued compensation	$	201,170	$	1,305
Accrued directors’ fees		78,070		-
Other accrued expenses		15,000		24,750
Total accrued expenses	$	294,240	$	26,055