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Note 8 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Text Block Supplement [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

		December 31,
		2014				2015
Interest on long-term debt			1,436,466				2,536,034
Administrative expenses			339,778				291,932
Vessel operating and voyage expenses			2,126,783				2,774,973
Total			3,903,027				5,602,939

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- Definition

Tabular disclosure of the components of accrued liabilities.

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