v2.4.0.6
Note 7. Embedded Derivative Liability. (Detail) (USD $)
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Debt Instrument, Convertible, Conversion Price (in Dollars per share)     $ 0.50
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 1,002,000 $ 225,000  
Upon Change in Control of Company [Member]
     
Debt Instrument, Convertible, Conversion Price (in Dollars per share)     $ 0.40