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Note 3 - Vessels, Net - Summary of Vessels (Details) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Vessel depreciation	$ (1,597,424)	$ (1,708,526)
Net book value	48,826,128
Depreciation for the period	(1,597,424)	$ (1,708,526)
Net book value	47,228,704
Vessels [Member]
Costs	61,279,976
Costs	61,279,976
Accumulated depreciation	(12,453,848)
Vessel depreciation	(1,597,424)
Accumulated depreciation	(14,051,272)
Net book value	48,826,128
Depreciation for the period	(1,597,424)
Net book value	$ 47,228,704

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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