Quarterly report pursuant to sections 13 or 15(d)

Liquidity - Additional Information (Detail)

v2.4.0.6
Liquidity - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Short-term Debt [Line Items]    
Proceeds from issuance of convertible debt and equity financing $ 1,000 $ 9,700