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Note 17 - Derivative Financial Instruments (Details) (USD $) | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2013 Swap One [Member] Eurobank [Member] | Dec. 31, 2013 Swap One [Member] Eurobank [Member] Minimum [Member] | Dec. 31, 2013 Swap One [Member] Eurobank [Member] Maximum [Member] | Dec. 31, 2013 Swap One [Member] | Dec. 31, 2013 Swap Two [Member] Eurobank [Member] | Dec. 31, 2013 Swap Two [Member] Eurobank [Member] Minimum [Member] | Dec. 31, 2013 Swap Two [Member] Eurobank [Member] Maximum [Member] | Dec. 31, 2013 Swap Two [Member] | Dec. 31, 2013 Swap Three [Member] Eurobank [Member] | Dec. 31, 2013 Swap Three [Member] Eurobank [Member] Minimum [Member] | Dec. 31, 2013 Swap Three [Member] Eurobank [Member] Maximum [Member] | Dec. 31, 2013 Swap Three [Member] | Dec. 31, 2013 Swap Four [Member] Eurobank [Member] | Dec. 31, 2013 Swap Four [Member] Eurobank [Member] Minimum [Member] | Dec. 31, 2013 Swap Four [Member] Eurobank [Member] Maximum [Member] | Dec. 31, 2013 Swap Four [Member] | Jul. 14, 2008 Interest Rate Swap [Member] Eurobank [Member] | Dec. 31, 2013 Interest Rate Swap [Member] | Jul. 08, 2009 First Two Contracts [Member] Eurobank [Member] | Jan. 21, 2011 Last Two Contracts [Member] Eurobank [Member] | Dec. 31, 2013 Eurobank [Member] | Jan. 31, 2011 Eurobank [Member] | Jul. 08, 2009 Eurobank [Member] | Dec. 31, 2011 Put Option [Member] | Dec. 31, 2011 Call Option [Member]
Note 17 - Derivative Financial Instruments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Inception Date |  |  | Jul. 14, 2008 | Jul. 14, 2008 |  |  | Jul. 08, 2009 | Jul. 08, 2009 |  |  | Jan. 21, 2011 | Jan. 21, 2011 |  |  | Sep. 20, 2013 | Sep. 20, 2013 |  |  |  |  |  |  |  |  |  |  |
Derivative, Number of Instruments Held |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 3 |  |  |  | 2 | 2 |  |
Derivative, Notional Amount |  | $ 45,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,000,000 |  |  |  |  |  |
Derivative Liability, Notional Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 3.99% |  |  |  | 2.88% |  |  |  | 2.29% |  |  |  | 1.29% |  |  |  |  |  |  |  |  |
Derivative, Remaining Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  | 360 days | 360 days
Derivative, Maturity Date |  |  |  |  | Sep. 20, 2013 |  |  |  | Jul. 08, 2014 |  |  |  | Dec. 31, 2016 |  |  |  | Dec. 31, 2016 |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuer's Equity, Strike Price | 16,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,500
Derivative, Gain (Loss) on Derivative, Net | $ 336,552 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Date the entity entered into the derivative contract, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 + Details
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- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 + Details
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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The exercise (or strike) price stated in the contract. The fixed price at which the option holder can purchase, in the case of a call option, or sell, in the case of a put option, on the underlying security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 + Details
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