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Note 5 - Investment in Unconsolidated Affiliates (Details Textual) - DTDW [Member] | Dec. 31, 2021
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Equity Method Investment, Ownership Percentage | 40.00%
Equity Method Investment, Ownership Percentage by Other Owners | 60.00%

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- Definition The percentage of ownership of common stock or equity participation in the investee by other owners accounted for under the equity method of accounting. + References No definition available. + Details
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- 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/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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- Details
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