Note 13 - Stock Option and Incentive Plan (Details) - Non-vested Stock Option Activity - $ / shares |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Non-vested Stock Option Activity [Abstract] | |||||
| Non-vested stock options outstanding | 31,066,430 | 4,287,583 | 4,287,583 | ||
| Weighted-average grant date fair value of options outstanding | $ 0.02 | $ 0.02 | $ 0.02 | ||
| Granted | 0 | 0 | 0 | 30,456,250 | 6,400,000 |
| Granted | $ 0.02 | $ 0.02 | |||
| Forfeited/cancelled | (40,000) | ||||
| Forfeited/cancelled | $ 3.04 | ||||
| Released/vested | (3,637,403) | ||||
| Released/vested | $ 0.02 | ||||
| Non-vested stock options outstanding | 31,066,430 | 4,287,583 | |||
| Weighted-average grant date fair value of options outstanding | $ 0.02 | $ 0.02 | |||