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Note 12 - Derivatives and Fair Value Disclosures (Details Textual) ¥ in Billions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2015 JPY (¥) | Dec. 31, 2014 USD ($) | Dec. 31, 2014 JPY (¥) | Oct. 13, 2015 USD ($) | Sep. 22, 2015 USD ($) | Jul. 06, 2015 USD ($) | Apr. 10, 2014 USD ($)
Interest Rate Swap, Floating Rate, Based on LIBOR | 1.05% |  |  |  |  |  |  |  |
Foreign Currenc,y Forward Contracts, Converted Amount | ¥ |  |  | ¥ 0.5 |  | ¥ 0.4 |  |  |  |
Derivative Instruments not Designated as Hedging Instruments, Reclassification from OCI |  |  |  | $ (49,471) |  |  |  |  |
Impaired Long-lived Assets, Pre-impairment Carrying Value | $ 32,235,086 | $ 15,828,908 |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | $ 5,735,086 | 8,238,987 |  | $ 6,168,747 |  |  |  |  |
Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |
Derivative, Number of Instruments Held | 5 |  |  |  |  |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 60,750,343 | $ 92,182,741 |  |  |  | $ 11,171,875 | $ 12,120,000 | $ 17,553,663 | $ 17,553,663
Derivative, Fixed Interest Rate |  |  |  |  |  |  | 1.54% | 1.69% | 2.60%
Derivative, Number of Instruments Held |  |  |  |  |  | 2 |  |  |
Interest Rate Swap [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate | 1.52% |  |  |  |  |  |  |  |
Interest Rate Swap [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate | 2.60% |  |  |  |  |  |  |  |
Interest Rate Swap 1 [Member] |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 1.52% |  |  |
Interest Rate Swap 2 [Member] |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 1.55% |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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