Stock Based Compensation - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Dec. 31, 2006	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2004
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted		0	0
Employee Stock Option Plan, 2004
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum aggregate number of shares of common stock available					2,500,000
Options outstanding		0.00
Weighted average exercise price of exercisable options		$ 0	$ 0	$ 0
Non Employee Director Stock Options Plan, 2004
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum aggregate number of shares of common stock available					250,000
Options outstanding		0	50,000	50,000
Weighted average exercise price of exercisable options		$ 0.00	$ 3.13
Additional number of shares of common stock available	500,000
Options granted		0	0