Note 1 - Basis of Presentation and General Information (Details) - Consolidated Revenue from Major Charters	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Charterer A [Member]
Note 1 - Basis of Presentation and General Information (Details) - Consolidated Revenue from Major Charters [Line Items]
Charterer		44.50%
Charterer B [Member]
Note 1 - Basis of Presentation and General Information (Details) - Consolidated Revenue from Major Charters [Line Items]
Charterer	13.30%	11.90%
Charterer C [Member]
Note 1 - Basis of Presentation and General Information (Details) - Consolidated Revenue from Major Charters [Line Items]
Charterer	16.00%