Represents the size of vessel.

No definition available.

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- Definition

Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.2)
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-Section 45
-Paragraph 4
-Subparagraph (c)
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Details

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Note 13 - Investments in Unconsolidated Joint Ventures (Details Textual) $ in Thousands			6 Months Ended
	Jun. 14, 2017 USD ($)	Mar. 30, 2017 USD ($) T	Jun. 30, 2017 USD ($)	Jun. 03, 2017 USD ($)	May 01, 2017 USD ($)
Business Combination, Acquisition Related Costs			$ 353
City of Athens [Member]
Equity Method Investment, Ownership Percentage			50.00%
Eco Nine [Member]
Equity Method Investment, Ownership Percentage			50.00%
City of Athens [Member]
Equity Method Investment, Ownership Percentage	50.00%
Lax Trust [Member] \| City of Athens [Member]
Equity Method Investment, Ownership Percentage			50.00%
Lax Trust [Member] \| Eco Nine [Member]
Equity Method Investment, Ownership Percentage			50.00%
Eco Nine [Member]
Equity Method Investment, Ownership Percentage	50.00%
City of Athens [Member]
Business Combination, Consideration Transferred	$ 157	$ 4,200
Size of Vessel \| T		50,000
Business Acquisition, Percentage of Voting Interests Acquired	1.00%	49.00%
Advances to Affiliate				$ 1,495
Eco Nine [Member]
Business Combination, Consideration Transferred	$ 157	$ 3,500
Size of Vessel \| T		50,000
Business Acquisition, Percentage of Voting Interests Acquired	1.00%	49.00%
Advances to Affiliate					$ 1,495