CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, at par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized	500,000,000	300,000,000
Common stock, issued	187,854,139	163,538,289
Common stock, outstanding	187,854,139	163,538,289