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Note 10 - Stock-Based Compensation Plans and Warrants (Details) - Nonvested 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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Dec. 31, 2011
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| Nonvested Stock Option Activity [Abstract] | |||
| Nonvested | 19,483 | 13,795 | 9,420 |
| Nonvested - weighted average grant date fair value (in Dollars per share) | $ 90,000 | $ 99,000 | $ 102,000 |
| Granted | 19,483 | 13,795 | |
| Granted - weighted average grant date fair value (in Dollars per share) | $ 90,000 | $ 99,000 | |
| Forfeited or canceled | 0 | 0 | |
| Forfeited or canceled - weighted average grant date fair value (in Dollars per share) | $ 0 | $ 0 | |
| Vested | (13,795) | (9,420) | |
| Vested - weighted average grant date fair value (in Dollars per share) | $ (99,000) | $ (102,000) | |