|
Note 13 - Stock Option and Incentive Plan (Details) - Fair Value of Stock Option Grants
|
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Fair Value of Stock Option Grants [Abstract] | ||
| Weighted-average volatility | 105.50% | 105.50% |
| Expected dividends | 0.00% | 0.00% |
| Expected life (years) | 2 years | 2 years 328 days |
| Weighted-average risk-free interest rate | 0.30% | 0.25% |