v3.3.1.900
Note 13 - Stock Option and Incentive Plan (Details) - Valuation Assumptions of Stock Options
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Valuation Assumptions of Stock Options [Abstract]    
Weighted-average volatility 185.00% 105.50%
Expected dividends 0.00% 0.00%
Expected life (in years) 3 years 6 months 2 years
Weighted-average risk-free interest rate 1.10% 0.30%