CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2015	Mar. 31, 2014
Shareholders' equity
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	25,676,212	15,734,108
Common stock, shares outstanding (in shares)	25,676,212	15,734,108