UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	66,500,000	66,500,000
Common stock, shares issued	28,367,055	17,099,882
Common stock, shares outstanding	28,367,055	17,099,882
Series B Preferred Stock
Preferred stock, liquidation preference per share	$ 1,000	$ 1,000
Preferred stock, shares designated	100,000	0
Preferred stock, issued	25,598	0
Preferred stock, outstanding	25,598	0
Series A Junior Participating Preferred Stock
Preferred stock, shares designated	665,000	665,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Preferred stock, par value	$ 0.001	$ 0.001