CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts	$ 616	$ 568
Preferred stock, shares authorized	300,000	300,000
Preferred stock, shares issued	0	0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	10,368,351	10,265,707
Treasury Stock, shares	454,109	450,802