Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2018	Dec. 31, 2017
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	66,127,626	58,963,009
Common stock, shares outstanding	66,127,626	58,963,009
Series A Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	83,840	83,840
Preferred stock, shares outstanding
Preferred stock, shares issued
Undesignated Preferred Stock [Member]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	8,500,000	8,500,000
Preferred stock, shares outstanding
Preferred stock, shares issued