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Note 11 - Derivatives and Fair Value Disclosures (Tables)

12 Months Ended

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	)			—

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+ Details

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+ Details