Quarterly report pursuant to sections 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.0.6
Fair Value Measurements - Additional Information (Detail) (Warrant, USD $)
In Thousands, unless otherwise specified
1 Months Ended
May 31, 2012
Sep. 30, 2012
Mar. 31, 2012
Warrant
     
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]      
Fair value of derivative liability $ 473 $ 0 $ 452
Expected Life 5 years    
Risk free interest rate 0.40%    
Dividend yield 0.00%    
Volatility 170.00%