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Note 13 - Derivative Financial Instrument - Interest Rate Swap (Details) (Interest Rate Swap [Member], USD $)
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3 Months Ended | 12 Months Ended | |||
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Mar. 31, 2014
Subsequent Event [Member]
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Dec. 31, 2013
Fair Value, Inputs, Level 2 [Member]
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Dec. 31, 2012
Fair Value, Inputs, Level 2 [Member]
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Dec. 31, 2013
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Dec. 31, 2012
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| Note 13 - Derivative Financial Instrument - Interest Rate Swap (Details) [Line Items] | |||||
| Derivative, Notional Amount | $ 7,700,000 | ||||
| Derivative, Swaption Interest Rate | 6.96% | ||||
| Derivative, Remaining Maturity | 15 years | ||||
| Derivative Liability, Notional Amount | 6,883,000 | 7,261,000 | |||
| Derivative Liability, Fair Value, Gross Liability | 460,000 | 1,123,509 | 460,000 | 1,123,509 | |
| Derivative, Gain (Loss) on Derivative, Net | $ 632,000 |