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(2) Summary of Significant Accounting Policies (Detail) - (Table 3)
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Accounting Policies [Abstract]    
Basic 8,289,132 8,140,944
Options 212,424  
Restricted stock 152,842 50,108
Warrants 2,453,954 2,453,107
Series D preferred stock 5,319,149 5,319,149
Diluted 16,427,501 15,963,308