Note 1 - Basis of Presentation and General Information (Details) - Consolidated Revenue from Major Charters	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Charterer
Charterer			10.00%
Charterer A [Member]
Charterer
Charterer	16.00%	28.00%	14.00%	26.00%
Charterer B [Member]
Charterer
Charterer	0.00%	0.00%	20.00%	0.00%