Commitments and Contingencies (Details Textual) (USD $)	1 Months Ended			3 Months Ended	12 Months Ended				0 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2011	Nov. 30, 2010	Dec. 31, 2005	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Mar. 03, 2011	Jan. 03, 2013 Korea Line Corporation [Member]	Dec. 31, 2012 Korea Line Corporation [Member]	Dec. 31, 2012 Letter Of Credit [Member]	Dec. 31, 2012 Until January 2014 [Member]	Jul. 28, 2011 First To Seventh Year [Member]	Jul. 28, 2011 Eight Year [Member]
Monthly Technical Management Fees (per vessel)					$ 10,194	$ 9,705	$ 9,562
Restricted Cash and Cash Equivalents											276,056
Operating Leases, Rent Expense					1,339,389	1,185,843	744,875
Year Of Lease Expiration		2013	2018
Adjusted Chartered Rate Value								17,000
Adjusted Chartered Rate Value Minimum					17,000
Adjusted Chartered Rate Value Maximum					21,000
Daily Time Charter Rate On Vessels					18,000							18,300
Profit Percentage Above Daily Time Charter Rate					50.00%
Korea Line Corporation Comprehensive Agreement Description					On October 14, 2011, following a vote by the interested creditors, the Korean court approved a Rehabilitation Plan, pursuant to which 37% of the Company's claim in respect of the period up to February 15, 2011 will be paid in cash installments from 2012 through 2021. The majority of the cash payment installments will be paid in the last five years, and the remaining 63% of the said claim will be converted to KLC stock. On July 2, 2012 the Company took possession of the KLC stock. The KLC stock is designated as Available for sale and is reported at fair value, with unrealized gains and losses recorded in shareholders' equity as a component of accumulated other comprehensive income.
Valuation Of Klc Stock Fair Value					197,509
Allowance for Loan and Lease Losses, Provision for Loss, Net				6,586,900
Allowance for Loan and Lease Losses, Provision for Loss, Gross				1,811,320
Allowance for Loan and Lease Losses, Recoveries of Bad Debts				1,269,070
Allowance for Loan and Lease Losses, Write-offs				3,506,510
Hire Rate Payable (per day)													13,500	13,750
Contract Receivable									63,700,000
Stock Issued During Period, Shares, Share-based Compensation, Forfeited										1,224,094
Contract Receivable, Due in Next Twelve Months									10,000,000
Contract Receivable, Due after Year One									53,700,000
Reduction Of Long Term Receivable Due To Amendment									5,500,000
Stockholders' Equity Note, Stock Split									1 to 15 ratio
Convertion Of Long Term Receivable Percentage									5.00%
Assessed Preliminary Value									$ 32,000,000
Commitments And Contingencies Agreement Description	On July 28, 2011, the Company entered into an agreement to charter-in a 37,000 dwt newbuilding Japanese vessel that is expected to be delivered between May and October 2014 for seven years with an option for additional one year.