CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
Statement Of Financial Position [Abstract]
Accounts receivable, net of allowance for doubtful accounts	$ 296	$ 292
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	10,048,081	9,987,200
Treasury stock, at cost	443,678	443,678