Summary of Stock Option (Detail) (Non Employee Director Stock Options Plan, 2004, USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Non Employee Director Stock Options Plan, 2004
Schedule Of Stock Options [Line Items]
Number of Options, Outstanding Beginning Balance	50,000		50,000
Weighted Average Exercise Price, Cancelled	$ 3.13
Number of Options, Cancelled	(50,000)
Number of Options, Outstanding Ending Balance	0		50,000
Number of Options, Exercisable at March 31, 2014	0
Weighted Average Exercise Price, Outstanding Beginning Balance	$ 3.13		$ 3.13
Weighted Average Exercise Price, Outstanding, Ending Balance	$ 0.00		$ 3.13
Weighted Average Exercise Price, Exercisable at March 31, 2014	$ 0.00	$ 3.13