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Note 12 - Derivatives and Fair Value Disclosures (Details) ¥ in Millions | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2014 JPY (¥) | Dec. 31, 2013 USD ($) | Oct. 13, 2015 USD ($) | Sep. 22, 2015 USD ($) | Jul. 06, 2015 USD ($) | Apr. 10, 2014 USD ($)
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 92,182,741 | $ 92,182,741 | $ 48,692,694 |  |  |  |  |  |
Derivative, Reference Rate LIBOR | 0.38% | 0.38% |  |  |  |  |  |  |
Foreign Currency Forward Contracts Converted, Amount |  | $ 0 |  | ¥ 400 | $ 0 |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Reclassification from OCI |  | 0 | (49,471) |  | 67,849 |  |  |  |
Impaired Long-lived Assets, Pre-impairment Carrying Value | $ 15,828,908 | 15,828,908 | 8,145,798 |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | $ 6,775,416 | $ 8,238,987 | $ 6,168,747 |  | $ 0 |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  |  | $ 12,120,000 | $ 17,553,663 | $ 17,553,663
Derivative, Number of Instruments Held |  |  |  |  |  | 2 |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  |  | 1.54% | 1.69% | 2.60%
Swap 1 [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  | $ 11,171,875 |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 1.52% |  |  |
Swap 2 [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  | $ 11,171,875 |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 1.55% |  |  |
Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Number of Instruments Held | 5 | 5 | 1 |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Interest Rate Swap, Fixed Rate |  | 1.52% |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |
Note 12 - Derivatives and Fair Value Disclosures (Details) [Line Items] |  |  |  |  |  |  |  |  |
Interest Rate Swap, Fixed Rate |  | 4.73% |  |  |  |  |  |  |

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