Note 1 - Basis of Presentation and General Information (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Charterer	Year Ended December 31,
	2010			2011			2012
A		-			11	%		-
B		19	%		-			-
C		17	%		20	%		51	%
D		16	%		12	%		-
E		-			12	%		-
F		-			13	%		-
G		-			-			21	%
H		-			-			17	%

Schedule of Related Party Transactions [Table Text Block]

	December 31, 2010		December 31, 2011		December 31, 2012
Management Fees –Related Parties
Central Mare Inc (Note 5)		1,666		5,575		2,345
TMS Tankers *		138		-		-
International Shipmanagement Inc		-		155		-
Total		1,804		5,730		2,345
Management Fees –Third Parties
ST Shipping and Transport Pte. Limited		9		10		-
TMS Tankers		-		384		-
Heidmar Inc		-		45		-
Interorient		11		-		-
V. Ships Management limited		99		-		-
Total		119		439		-