Annual report pursuant to section 13 and 15(d)

Liquidity - Additional Information (Detail)

v2.4.0.8
Liquidity - Additional Information (Detail) (USD $)
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Short-term Debt [Line Items]    
Proceeds from issuance of convertible debt and equity financing $ 2,550,000 $ 9,700,000
Proceeds through restructuring of existing debt to convertible debt $ 3,000,000