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Note 4 - Vessels, Net (Detail) - Summary of Vessels (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Costs	$ 326,449,124	$ 326,449,124	$ 310,327,764
Accumulated Depreciation-Balance	(89,385,246)	(71,036,690)	(53,056,940)
Net Book Value	237,063,878	255,412,434	257,270,824
Depreciation Expense	(17,385,608)	(18,348,556)	(17,979,750)
Net Book Value	(17,385,608)	(18,348,556)	(17,979,750)
- -Sale of vessels	(19,318,073)
- -Sale of vessels	6,574,549
- -Sale of vessels	(12,743,524)
Costs			16,121,360
Net Book Value			16,121,360
Costs	307,131,051	326,449,124	326,449,124
Accumulated Depreciation-Balance	(100,196,305)	(89,385,246)	(71,036,690)
Net Book Value	$ 206,934,746	$ 237,063,878	$ 255,412,434

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- Definition

No authoritative reference available.

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No definition available.

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- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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The decrease in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) as a result of sales or disposals of property, plant and equipment during the period.

+ References

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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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Acquisition of long-lived, 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, furniture and fixtures, and computer equipment.

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Divestiture of long-lived, 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, furniture and fixtures, and computer equipment.

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Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

+ References

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