Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Property and equipment, accumulated depreciation	$ 222,881	$ 215,028
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	102,429,200	81,186,620
Common stock, shares outstanding (in shares)	102,429,200	81,186,620