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Note 4 - Vessels, net (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
M/V Evian [Member]
Dec. 31, 2012
M/T UACC Sila [Member]
Mar. 27, 2013
M/T UACC Sila [Member]
Sep. 30, 2010
M/T Dauntless [Member]
Note 4 - Vessels, net (Details) [Line Items]          
Impairment of Long-Lived Assets Held-for-use $ 46,592   $ 16,978    
Revaluation Gain   2,086      
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds       $ 26,000 $ 14