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Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012
Scrap Rate Estimation (per lightweight ton)	150
Vessels [Member]
Property, Plant and Equipment, Estimated Useful Lives	28 years
Leasehold Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Estimated Useful Lives	3 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Estimated Useful Lives	10 years
Dry-Docking Costs [Member] \| Maximum [Member]
Dry-Docking Costs, Estimated Useful Lives	30 months
Letter Of Credit [Member]
Restricted Cash and Cash Equivalents	276,056

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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