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Note 7. Embedded Derivative Liability. (Detail) (USD $)
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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 | ||