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Note 1 - Basis of Presentation and General Information (Details) - Summary of Revenue Percentage by Major Charterer	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Charterer A [Member]
Revenue, Major Customer [Line Items]
Charterer			11.00%
Charterer C [Member]
Revenue, Major Customer [Line Items]
Charterer	63.00%	51.00%	20.00%
Charterer D [Member]
Revenue, Major Customer [Line Items]
Charterer			12.00%
Charterer E [Member]
Revenue, Major Customer [Line Items]
Charterer			12.00%
Charterer F [Member]
Revenue, Major Customer [Line Items]
Charterer			13.00%
Charterer G [Member]
Revenue, Major Customer [Line Items]
Charterer	18.00%	21.00%
Charterer H [Member]
Revenue, Major Customer [Line Items]
Charterer	18.00%	17.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration