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Note 11 - Derivatives and Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

				December 31,
				2013								2014
Derivatives designated as hedging instruments		Balance Sheet Location		Asset Derivatives				Liability Derivatives				Asset Derivatives				Liability Derivatives
Interest Rate Swap Agreements		Non current liabilities — Fair value of derivatives			—				—				—				384,589
Total derivatives designated as hedging instruments					—				—				—				384,589

				December 31,
				2013								2014
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			—				277,212				—				—
Forward Currency Contract		Current liabilities — Fair value of derivatives			—				—				—				583,368
Interest Rate Swap Agreements		Non current liabilities — Fair value of derivatives			—				2,955,755				—				1,488,706
Total derivatives not designated as hedging instruments					—				3,232,967				—				2,072,074

Derivative Instruments, Gain (Loss) [Table Text Block]

				Year Ended December 31,
Derivatives not designated as hedging instruments		Location of Gain/(Loss) Recognized		2012				2013				2014
Interest Rate Swap — Reclassification from OCI		Loss on derivatives			54,340				67,849				(49,471	)
Interest Rate Swap — Change in Fair Value		Loss on derivatives			3,452,556				2,716,274				1,652,692
Interest Rate Swap — Realized loss		Loss on derivatives			(4,593,154	)			(2,811,593	)			(1,857,362	)
Foreign Currency Contract — Change in Fair Value		Loss on derivatives			—				—				(583,368	)
Foreign Currency Contract — Realized loss		Loss on derivatives			—				—				(510,875	)
Total loss on derivatives					(1,086,258	)			(27,470	)			(1,348,384	)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

		Unrealized Gain / (Loss) on cash flow hedges
Accumulated other comprehensive income – Balance, January 1, 2013			18,378
Reclassification adjustment			(67,849	)
Accumulated other comprehensive loss – Balance, December 31, 2013			(49,471	)
Effective portion of changes in fair value of interest swap contracts			(293,020	)
Reclassification adjustment			49,471
Accumulated other comprehensive loss– Balance, December 31, 2014			(293,020	)

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, 2013				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			(3,232,967	)			—				(3,232,967	)			—
Total			(3,232,967	)			—				(3,232,967	)			—

						Fair Value Measurements Using
Description		Fair Value as of December 31, 2014				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Liabilities:
Foreign Currency Contract			(583,368	)			—				(583,368	)			—
Interest Rate Swap Agreements			(1,873,295	)			—				(1,873,295	)			—
Total			(2,456,663	)			—				(2,456,663	)			—

Schedule of Fair Value, Assets and Liabilities Measured on Non-recurring Basis [Table Text Block]

						Fair Value Measurements Using
Description		Fair Value as of December 31, 2014				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)				Impairment loss
Long-lived assets held and used			1,977,051				—				1,977,051				—				(6,168,747	)
Total			1,977,051				—				1,977,051				—				(6,168,747	)

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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 non-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).

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

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Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

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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.

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