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Note 13 - Derivative Financial Instrument - Interest Rate Swap (Details) - Income from Derivative Instruments (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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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Interest rate swap | $ 663,509 | $ (111,010) |
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Other Income (Expense) [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Interest rate swap | $ 663,509 | $ (111,010) |