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Note 10 - Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Text Block Supplement [Abstract]

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

		Fair Value Measurement at Reporting Date Using
		Total, December 31, 2014				(Level 1)				(Level 2)				(Level 3)
Liabilities
Interest rate swap contracts, current and long-term portion		$	298,771				-			$	298,771				-

		Fair Value Measurement at Reporting Date Using
		Total, June 30, 2015				(Level 1)				(Level 2)				Significant Other Unobservable Inputs (Level 3)
Liabilities
Interest rate swap contracts, current and long-term portion		$	334,716				-			$	334,716				-

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

Derivatives not designated as hedging instruments	Balance Sheet Location	December 31, 2014	June 30, 2015
Interest rate contracts	Current liabilities - Derivatives	297,992	147,388
Interest rate contracts	Long-term liabilities - Derivatives	779	187,328
Total derivative liabilities		298,771	334,716

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

Derivatives not designated as hedging instruments	Location of gain (loss) recognized	Six Months Ended June 30, 2014	Six Months Ended June 30, 2015
Interest rate – Fair value	Loss on derivatives, net	341,902	(35,945)
Interest rate contracts  - Realized loss	Loss on derivatives net	(437,767)	(129,327)
Total loss on derivatives		(95,865)	(165,272)

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Other investment	Valuation Technique	Unobservable Input	Value
Fair Value at December 31, 2014	6,183,800	Discounted cash flow	Rate of return	19%
Fair Value at June 30, 2015	6,749,050	Discounted cash flow	Rate of return	19%

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Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

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Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets. This disclosure may include, but is not limited to, the fair value of the asset, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.

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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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