(9) Income Taxes (Detail) - (Table 2)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Statutory federal income tax	34.00%	34.00%
State and local taxes, net of federal benefit	9.10%	6.30%
Permanent differences	21.40%	4.20%
Alternative minimum tax	(6.30%)	3.60%
Valuation allowance		(89.20%)
Other	1.80%
Effective tax rate	60.00%	(41.10%)