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Note 10 - Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

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

		Fair Value Measurement at Reporting Date
		Total, December 31, 2016				(Level 1)				(Level 2)				(Level 3)
Liabilities
Interest rate swap contracts, long-term portion		$	240,181				-			$	240,181				-

		Fair Value Measurement at Reporting Date
		Total, June 30, 2017				(Level 1)				(Level 2)				Significant Other Unobservable Inputs (Level 3)
Liabilities
Interest rate swap contracts, current and long-term portion		$	271,532				-			$	271,532				-

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, 2016				June 30, 2017
Interest rate contracts		Current liabilities - Derivatives			-				88,176
Interest rate contracts		Long-term liabilities - Derivatives			240,181				183,356
Total derivative liabilities					240,181				271,532

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

Derivatives not designated as hedging instruments		Location of gain (loss) recognized			Six Months Ended June 30, 2016				Six Months Ended June 30, 2017
Interest rate – Fair value		Loss on derivatives, net			(181,707	)			2,298
Interest rate contracts  - Realized loss		Loss on derivatives net			(83,180	)			(31,351	)
Total loss on derivatives					(264,887	)			(29,053	)

X

- Definition

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 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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