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Note 9 - Warrant Liability (Details) (USD $)
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0 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
|
Apr. 08, 2013
|
Apr. 08, 2011
|
Apr. 12, 2011
|
Jun. 30, 2013
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| Warrant Liability [Abstract] | ||||
| Number of Units Sold | 8,000,000 | 8,000,000 | ||
| Number of Warrants Separated from One Unit | 1 | |||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 11.50 | |||
| Number of Shares of Common Stock Separated from One Unit | 1 | |||
| Warrants Issued During Period, Number | 1,066,666 | 4,000,000 | 4,000,000 | 4,000,000 |
| Derivative Liability (in Dollars) | $ 10,453,334 | |||