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Note 10 - Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

		Fair Value Measurement at Reporting Date
		Total, December 31, 2017				(Level 1)				(Level 2)				(Level 3)
Liabilities
Interest rate swap contracts, current and long-term portion		$	246,082				-			$	246,082				-

		Fair Value Measurement at Reporting Date
		Total, June 30, 2018				(Level 1)				(Level 2)				Significant Other Unobservable Inputs (Level 3)
Liabilities
Interest rate swap contracts, current and long-term portion		$	103,866				-			$	103,866				-

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, 2017	June 30, 2018
Interest rate contracts	Current liabilities - Derivative	229,451	60,210
Interest rate contracts	Long-term liabilities - Derivative	16,631	43,656
Total derivative liabilities		246,082	103,866

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

Derivatives not designated as hedging instruments	Location of gain (loss) recognized	Six Months Ended June 30, 2017	Six Months Ended June 30, 2018
Interest rate – Fair value	(Loss) / gain on derivative, net	(31,351)	142,216
Interest rate contracts  - Realized gain	(Loss) / gain on derivative, net	2,298	(137,062)
Total (loss) / gain on derivative		(29,053)	5,154

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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