Quarterly report pursuant to sections 13 or 15(d)

Liquidity - Additional Information (Detail)

v2.4.0.8
Liquidity - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Mar. 31, 2013
Mar. 31, 2012
Short-term Debt [Line Items]        
Proceeds from issuance of convertible debt and equity financing $ 2,700,000 $ 1,000,000 $ 2,600,000 $ 9,700,000
Proceeds through restructuring of existing debt to convertible debt     3,000,000  
Proceeds from sale of common stock $ 2,700,000 $ 1,000,000