Quarterly report pursuant to Section 13 or 15(d)

Cash Flow Statement - Additional Information (Detail)

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Cash Flow Statement - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Supplemental Cash Flow Elements [Abstract]    
Interest paid $ 6 $ 52
Income taxes paid 2,161 39
Excess tax benefit (deficiency) on stock awards 119 (5)
Capital expenditures 38 24
Capital leases $ 0 $ 11