Annual report pursuant to Section 13 and 15(d)

Intrinsic Value of Options Exercised and Fair Value of Options Vested (Detail)

v2.4.1.9
Intrinsic Value of Options Exercised and Fair Value of Options Vested (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Total fair value of options vested $ 1,266us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 $ 19us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Total intrinsic value of options exercised $ 71us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue [1] $ 554us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue [1]
[1] (a) The total intrinsic value of options exercised represents the total pre-tax intrinsic value (the difference between the stock price at exercise and the exercise price multiplied by the number of options exercised) that was received by the option holders who exercised their options during the fiscal year.