CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, per share stated value	$ 0.000025	$ 0.000025
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, per share stated value	$ 0.000025	$ 0.000025
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	70,718,423	70,371,425
Common stock, shares outstanding	70,718,423	70,371,425