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Note 13 - Stock Option and Incentive Plan (Details) - Stock Option Activity (USD $)
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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| Stock Option Activity [Abstract] | ||
| Outstanding beginning balance | 679,744 | 1,077,744 |
| Outstanding beginning balance (in Dollars per share) | $ 2.82 | $ 5.47 |
| Granted during the year | 6,400,000 | 46,875 |
| Granted during the year (in Dollars per share) | $ 0.03 | $ 0.26 |
| Forfeited/cancelled/expired during the year | (461,511) | (444,875) |
| Forfeited/cancelled/expired during the year (in Dollars per share) | $ 3.29 | $ 9.08 |
| Outstanding at end of year | 6,618,233 | 679,744 |
| Outstanding at end of year (in Dollars per share) | $ 0.11 | $ 2.82 |
| Exercisable at end of year | 2,330,650 | 477,538 |
| Exercisable at end of year (in Dollars per share) | $ 0.28 | $ 2.82 |
| Outstanding and expected to vest | 6,191,212 | 669,049 |
| Outstanding and expected to vest (in Dollars per share) | $ 0.11 | $ 2.82 |