Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets Current assets [Abstract] Cash and cash equivalents Trade accounts receivable, net Other receivables Inventories (Note 3) Due from related companies (Note 9) Restricted cash (Note 10) Prepaid expenses Total current assets Fixed assets Fixed assets [Abstract] Vessels, net (Note 5) Carrying amount at the balance sheet date of long-lived assets under construction that include construction costs to date on assets being constructed that are not ready to be placed into service and advances and costs paid for assets to be acquired that are not delivered yet. Advances for vessels under construction (Note 4) Long-term assets Long-term assets [Abstract] Restricted cash (Note 10) Deferred charges, net (Note 6) Other investments (Note 19) Investment in joint venture (Note 18) Total long-term assets Total assets Liabilities and shareholders’ equity Liabilities and shareholders’ equity [Abstract] Current liabilities Current liabilities [Abstract] Long-term debt, current portion (Note 10) Trade accounts payable Accrued expenses (Note 7) Accrued dividends (Note 13) Deferred revenues Due to related company (Note 9) Derivatives (Note 16, 17) Total current liabilities Long-term liabilities Long-term liabilities [Abstract] Long-term debt, net of current portion (Note 10) Derivatives (Note 16, 17) Total long-term liabilities Total liabilities Shareholders’ equity Shareholders’ equity [Abstract] Common stock (par value $0.03, 200,000,000 shares authorized, 45,319,605 and 45,723,255 issued and outstanding) Preferred shares (par value $0.01, 20,000,000 shares authorized, no shares issued and outstanding) Additional paid-in capital Accumulated deficit Total shareholders’ equity Total liabilities and shareholders’ equity Common stock, par value (in Dollars per share) Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Preferred shares, par value (in Dollars per share) Preferred shares, shares authorized Preferred shares, shares issued Preferred shares, shares outstanding Income Statement [Abstract] Revenues Revenues [Abstract] Revenues arising from services provided to charterers according to the terms and conditions included in charter agreements. Voyage revenue (Note 8) Related party revenue (Note 18) Commissions (including $766,304, $641,104 and $474,466, respectively, to related party) (Note 9, 15) Net revenue Operating expenses Operating expenses [Abstract] Costs relating to the voyages performed by the vessels and may include port, canal, bunker expenses, commissions and other. Voyage expenses (Note 15) Vessel operating expenses (including $392,731, $347,840, and $399,665 , respectively, to related party) (Note 9, 15) Dry-docking expenses Vessel depreciation (Note 5) Related party management fees (Note 9) Other general and administrative expenses (including $1,225,000, $1,850,000, and $1,900,000, respectively, to related party) (Note 9, 13) Net loss on sale of vessels (including $43,823 and $76,183 to related party) (Note 5) Impairment loss Other income (Note 20) Total operating expenses Operating (loss)/income Other income/(expenses) Other income/(expenses) [Abstract] Interest and other financing costs Loss on derivatives, net (Note 17) Foreign exchange (loss)/gain (Loss)/gain on trading securities Other income (Note 18) Interest income Other expenses, net Equity loss in joint venture (Note 18) Net income/(loss) Earnings/(Loss) per share - basic (Note 14) (in Dollars per share) Weighted average number of shares outstanding during the year, basic (Note 14) (in Shares) (Loss)/Earnings per share - diluted (Note 14) (in Dollars per share) Weighted average number of shares outstanding during the year, diluted (Note 14) (in Shares) Represents commissions incurred in the period based upon the sale by related parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by related parties. Generally recurring costs paid to related parties associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. Commissions, related party Vessel operating expenses, related party Other general and administrative expenses, related party Net loss on sale of vessels, related party Statement of Stockholders' Equity [Abstract] Equity Component [Domain] Balance Balance Balance (in Shares) Balance (in Shares) Net income (loss) Issuance of restricted shares for stock incentive award and share-based compensation Issuance of restricted shares for stock incentive award and share-based compensation (in Shares) Dividends declared Issuance of shares in “Rights Offering Program, net of issuance costs” Issuance of shares in “Rights Offering Program, net of issuance costs” (in Shares) Dividends declared, per share Statement of Cash Flows [Abstract] Cash flows from operating activities: Cash flows from operating activities: [Abstract] Net income/(loss) Adjustments to reconcile net income / (loss) to net cash provided by operating activities: Adjustments to reconcile net income / (loss) to net cash provided by operating activities: [Abstract] Depreciation of vessels Amortization of deferred charges The amortization of the liability arising from the market value of the time charter assumed from a vessel acquisition. Amortization of fair value of time charters Loss on sale of vessel Share-based compensation Loss / (gain) on trading securities Proceeds from the sale of trading securities Unrealized loss / (gain) on derivatives Other income accrued Loss in investment in joint venture Changes in operating assets and liabilities: Changes in operating assets and liabilities: [Abstract] (Increase)/decrease in: (Increase)/decrease in: [Abstract] Trade accounts receivable Prepaid expenses Other receivables Inventories Other deposits Due from related companies Increase/(decrease) in: Increase/(decrease) in: [Abstract] Due to related companies Trade accounts payable Accrued expenses Deferred revenue Net cash provided by operating activities Cash flows from investing activities: Cash flows from investing activities: [Abstract] Advances for vessels under construction Contributions to joint venture Insurance proceeds Purchase of a vessel Other investments Change in restricted cash Proceeds from sale of vessel Net cash provided by/(used in) investing activities Cash flows from financing activities: Cash flows from financing activities: [Abstract] Proceeds from shares issued Offering expenses paid Dividends paid Loan arrangement fees paid Repayment of long-term debt Net cash used in financing activities Net (decrease)/increase in cash and cash equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Supplemental cash flow information Supplemental cash flow information [Abstract] Cash paid for interest Non cash financing and investing activities : Non cash financing and investing activities : [Abstract] Loan arrangement fees and offering costs charges The change in the carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Change in accrued dividends Disclosure Text Block [Abstract] Business Description and Basis of Presentation [Text Block] Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] Advances For Vessels Under Construction [Abstract] Advances For Vessels Under Construction [Abstract] Disclosure of advances for vessels under construction. Advances For Vessels Under Construction [Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Deferred Charges [Abstract] Deferred Charges [Abstract] The entire disclosure for deferred charges. Deferred Charges [Text Block] Payables and Accruals [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Long-term Debt [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Vessel Voyage And Operating Expenses [Abstract] Vessel Voyage And Operating Expenses [Abstract] This element repsresents the disclosure for Voyage expenses (Port charges, bunkers, commissions charged by third parties, commissions charged by related parties) and Vessel Operating expenses (crew wages and related costs, insurances, repairs, spares and maintenance, consumable stores, tonnage taxes, miscellaneous). Vessel Voyage And Operating Expenses [Text Block] Disclosure Text Block Supplement [Abstract] Financial Instruments Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block]