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Note 20 - Transactions With Related Parties (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Fifth Wall's Climate Technology Fund [Member] |  |  |  |
Equity Method Investment, Commitment Amount | $ 25.0 |  |  |
Payments to Acquire Equity Method Investments | $ 2.8 |  |  |
Ripco [Member] |  |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 0.4 | $ 0.5 | $ 0.4
Officer [Member] | Ripco [Member] |  |  |  |
Percentage of Ownership |  | 50.00% |  |

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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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