Note 1 - General Information (Details Textual)				12 Months Ended
	Mar. 30, 2016	Oct. 02, 2015 t	Oct. 09, 2014	Dec. 31, 2016 t
Vessels In Operation				41
Dead Weight Tonnage of Operating Fleet				2,260,943
Average Age in Years of Operating Fleet				8 years 255 days
Charters Agreement Term	1 year 180 days	7 years	1 year 180 days
Newbulding Vessel [Member]
Dead Weight Tonnage of Operating Fleet		38,000
Supramax Vessels [Member]
Vessels In Operation				39
Ultramax Vessels [Member]
Vessels In Operation				1
Handymax Vessels [Member]
Vessels In Operation				1