Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Mar. 31, 2016
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	105,724,320	104,551,466
Common stock, shares outstanding	105,724,320	104,551,466