CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Balance Sheet Parenthetical [Abstract]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	78,908,929	78,692,612
Common stock, shares outstanding	78,908,929	78,692,612