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Note 11 - Derivatives and Fair Value Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] |
|  |  |  | December 31, |
|  |  |  | 2011 |  |  | 2012 |
Derivatives not designated as hedging instruments |  | Balance Sheet Location |  | Asset Derivatives |  |  | Liability Derivatives |  |  | Asset Derivatives |  |  | Liability Derivatives |
Interest Rate Swap Agreements |  | Current liabilities — Fair value of derivatives |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 539,904 |
Interest Rate Swap Agreements |  | Non current liabilities — Fair value of derivatives |  |  | — |  |  |  | 9,401,798 |  |  |  | — |  |  |  | 5,409,337 |
Total derivatives not designated as hedging instruments |  |  |  |  | — |  |  |  | 9,401,798 |  |  |  | — |  |  |  | 5,949,241 |
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] |
|  |  |  | Year Ended December 31, |
Derivatives not designated as hedging instruments |  | Location of Gain/(Loss) Recognized |  | 2010 |  |  | 2011 |  |  | 2012 |
Interest Rate Swap — Reclassification from OCI |  | Loss on derivatives |  |  | (481,515 | ) |  |  | (527,627 | ) |  |  | 54,340 |
Interest Rate Swap — Change in Fair Value |  | Loss on derivatives |  |  | (1,274,421 | ) |  |  | 2,200,415 |  |  |  | 3,452,556 |
Interest Rate Swap — Realized loss |  | Loss on derivatives |  |  | (6,087,631 | ) |  |  | (5,497,478 | ) |  |  | (4,593,154 | )
Foreign Currency Contract — Change in Fair Value |  | Loss on derivatives |  |  | 1,771,929 |  |  |  | (5,407,633 | ) |  |  | — |
Foreign Currency Contract — Realized gain |  | Loss on derivatives |  |  | — |  |  |  | 6,300,919 |  |  |  | — |
Total loss on derivatives |  |  |  |  | (6,071,638 | ) |  |  | (2,931,404 | ) |  |  | (1,086,258 | )
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2011 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Swap Agreements |  |  | (9,401,798 | ) |  |  | — |  |  |  | (9,401,798 | ) |  |  | — |
Total |  |  | (9,401,798 | ) |  |  | — |  |  |  | (9,401,798 | ) |  |  | — |
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2012 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Swap Agreements |  |  | (5,949,241 | ) |  |  | — |  |  |  | (5,949,241 | ) |  |  | — |
Total |  |  | (5,941,241 | ) |  |  | — |  |  |  | (5,941,241 | ) |  |  | — |

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- Definition Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges. + 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 Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
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