Note 1 - Basis of Presentation and General Information (Details) (USD $)	3 Months Ended	6 Months Ended	0 Months Ended	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jan. 03, 2013 Korea Line Corporation [Member]	Mar. 28, 2013 Korea Line Corporation [Member]	Dec. 31, 2011 Korea Line Corporation [Member]	Jun. 30, 2013 Korea Line Corporation [Member]	Jun. 30, 2013 Supramax Vessels [Member]	Jun. 30, 2013 Handymax Vessels [Member]	Dec. 31, 2011 Korea Line Corporation [Member]
Note 1 - Basis of Presentation and General Information (Details) [Line Items]
Vessels In Operation	45	45			13		43	2	13
Dead Weight Tonnage Of Operating Fleet	2,451,259	2,451,259
Average Age In Years Of Operating Fleet		6 years
Percentage Of Charterer Revenue		10.00%
Adjusted Chartered Rate Value					$ 17,000
Contract Receivable			63,700,000
Investment Owned, Balance, Shares (in Shares)			1,224,094
Contract Receivable, Due in Next Twelve Months			10,300,000
Contract Receivable, Due after Year One			53,400,000
Bunker Liabilities Released			3,500,000
Deferred Revenue			13,700,000
Investment Owned, Balance, Principal Amount			5,900,000
Accounts and Notes Receivable, Net			2,700,000
Termination Revenue			32,800,000
Gain (Loss) on Contract Termination		28,961,276	3,300,000
Reduction Of Shares Outstanding				1 to 15
Reduction Of Long Term Receivable				90.00%
Share-based Goods and Nonemployee Services Transaction, Shares Approved for Issuance (in Shares)				538,751
Other Expenses				3,000,000
Incremental Gain on Trading Shares	25,600,000
Investment Owned, at Fair Value						$ 33,900,000