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) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 3 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2012
Contingent Liabilities
Sep. 30, 2012
Contingent Liabilities
May 31, 2012
Warrant
Dec. 31, 2012
Warrant
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%    
Contingent liability 802 802 802 758      
Loss on fair value of contingent liability $ 44 $ 44 $ 44