Represents amount of common stock distributed.

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The price per share of common stock shares issued for each share of convertible preferred stock that is converted.

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The percentage of outstanding preferred stock redeemed during period.

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Represents the percentage of preferred stock outstanding.

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The additional cash dividend, expressed as a percentage of the common stock dividend which would have been paid to Series B preferred shareholders on an as-converted basis, if a cash dividend is paid on the Company's common stock and if the dividend paid on the Series B Preferred Shares is 5% (in which case the 5% Series B preferred dividend will also be paid in cash).

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Represents number of preferred stock distributed.

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Represents amount of preferred stock distributed.

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The percentage of number of votes of preferred stock based off the number of shares of common stock the preferred stock is convertible to.

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No definition available.

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Amount of paid and unpaid paid-in-kind dividends (PIK) declared for classes of stock, for example, but not limited to, common and preferred.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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The cash outflow for reacquisition of callable preferred stock.

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The percentage rate used to calculate dividend payments on preferred stock.

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The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred shareholders.

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The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

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Number of new stock issued during the period.

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Note 11 - Preferred Shares (Details Textual) - USD ($)					1 Months Ended	6 Months Ended
Note 11 - Preferred Shares (Details Textual) - USD ($)	Jun. 10, 2019	Jan. 29, 2019	May 30, 2018	Jan. 27, 2014	Sep. 30, 2015	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Payments for Repurchase of Redeemable Preferred Stock						$ 11,686,000
Dividends, Preferred Stock, Total						949,152	$ 850,708
Series B Preferred Stock [Member]
Proceeds from Issuance of Convertible Preferred Stock				$ 29,000,000
Preferred Stock, Redemption Price Per Share				$ 1,000
Preferred Stock, Dividend Rate, Percentage	4.00%
Preferred Stock Additional Cash Dividend Under Specified Conditions Percentage				40.00%
Convertible Preferred Stock, Conversion Price Per Share					$ 12.25
Payments for Repurchase of Redeemable Preferred Stock	$ 11,700,000
Percentage of Outstanding Preferred Stock Redeemed	59.40%
Preferred Stock, Value, Outstanding	$ 8,000,000
Dividends, Preferred Stock, Total						949,152
Dividends, Paid-in-kind, Total						78,639
Preferred Stock, Redemption Amount						$ 8,000,000
Preferred Stock Voting Percentage of Number of Shares Convertible of Common Stock						50.00%
Series B Preferred Stock [Member] \| Maximum [Member] \| First Five Years [Member]
Preferred Stock, Dividend Rate, Percentage				5.00%
Series B Preferred Stock [Member] \| Maximum [Member] \| Next Two Years [Member]
Preferred Stock, Dividend Rate, Percentage		12.00%
Series B Preferred Stock [Member] \| Maximum [Member] \| After Two Years [Member]
Preferred Stock, Dividend Rate, Percentage		14.00%
TCP [Member] \| Series B Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues				25,000
Friends Investment Company Inc. [Member] \| Series B Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues				5,700
Eurodry [Member]
Percentage of Preferred Stock Outstanding								50.00%
Common Stock, Value, Distributed			$ 2,254,830
Eurodry [Member] \| Series B Preferred Stock [Member]
Preferred Stock Distributed			19,042
Eurodry [Member] \| Ordinary Preferred Stock [Member]
Preferred Stock, Value, Distributed			$ 14,500,000
Eurodry [Member] \| Preferred Stock Issued as Dividends [Member]
Preferred Stock, Value, Distributed			$ 3,692,131