Income Taxes	12 Months Ended
Income Taxes	Dec. 31, 2014
Income Taxes [Abstract]
Income Taxes	16. Income taxes: a) Taxation on Marshall Islands Registered Companies Under the laws of the countries of the shipowning companies' incorporation and/or vessels' registration, the shipowning companies are not subject to tax on international shipping income. However, they are subject to registration and tonnage taxes, which have been included under "Vessel operating expenses" in the accompanying statements of operations. In addition, effective January 1, 2013, each foreign flagged vessel managed in Greece by Greek or foreign ship management companies is subject to Greek tonnage tax, under the laws of the Hellenic Republic. The technical managers of the Company's vessels , which are established in Greece under Greek Law 89/67, are responsible for the filing and payment of the respective tonnage tax on behalf the Company. These tonnage taxes for 2013 and 2014 amounted to $668 and $1,260, respectively, and have also been included under "Vessel operating expenses" in the accompanying statements of operations. b) Taxation on US Source Income - Shipping Income The Company believes that it and its subsidiaries are exempt from U.S. federal income tax at 4% on U.S. source shipping income for the taxable years 2012, 2013 and 2014, as each vessel-operating subsidiary is organized in a foreign country that grants an equivalent exemption to corporations organized in the United States and the Company's stock is primarily and regularly traded on an established securities market in the United States, as defined by the Internal Revenue Code (IRC) of the United States. Under IRS regulations, a Company's stock will be considered to be regularly traded on an established securities market if (i) one or more classes of its stock representing 50% or more of its outstanding shares, by voting power of all classes of stock of the corporation entitled to vote and of the total value of the stock of the corporation, are listed on the market and (ii) (A) such class of stock is traded on the market, other than in minimal quantities, on at least 60 days during the taxable year or one sixth of the days in a short taxable year; and (B) the aggregate number of shares of such class of stock traded on such market during the taxable year must be at least 10% of the average number of shares of such class of stock outstanding during such year or as appropriately adjusted in the case of a short taxable year. Notwithstanding the foregoing, the treasury regulations provide, in pertinent part, that a class of the Company's stock will not be considered to be "regularly traded" on an established securities market for any taxable year in which 50% or more of the vote and value of the outstanding shares of such class are owned, actually or constructively under specified stock attribution rules, on more than half the days during the taxable year by persons who each own 5% or more of the vote and value of such class of the Company's outstanding stock, ("5% Override Rule").

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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