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Note 9 - Warrant Liability (Details) - Warrant Liability Measured at Fair Value on a Recurring Basis (USD $)
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Jun. 30, 2013
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|---|---|
| Warrant Liability: | |
| June 30, 2013 | $ 10,453,334 |
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Fair Value, Inputs, Level 2 [Member]
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| Warrant Liability: | |
| June 30, 2013 | $ 10,453,334 |