Note 1 - General Information (Details) - Consolidated Revenue from Major Charters (Sales Revenue, Net [Member], Customer Concentration Risk [Member])	12 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended
	Dec. 31, 2013	Oct. 15, 2014	Dec. 31, 2012	Dec. 31, 2014
Charterer A [Member] | Predecessor [Member]
Charterer
Percent of charterer revenue	15.80%
Charterer B [Member] | Predecessor [Member]
Charterer
Percent of charterer revenue	13.80%	10.50%	26.50%
Charterer C [Member] | Successor [Member]
Charterer
Percent of charterer revenue				27.70%
Charterer C [Member] | Predecessor [Member]
Charterer
Percent of charterer revenue		17.70%