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Note 5 - Fair Value Measurements - Reconciliation of Contingent Consideration (Details) - Contingent Consideration Liability [Member] $ in Thousands | 6 Months Ended
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Jun. 30, 2023 USD ($)
Beginning balance, January 1, 2023 | $ 81,533 |
Changes in fair value | 0 |
Additional contingent consideration (1) | 11,490 | [1]
Payment of contingent consideration (2) | (53,786) | [2]
Present value interest accretion | 342 |
Ending balance, June 30, 2023 | $ 39,579 |
[1] | Represents $11,490 of contingent deferred consideration for the Pramac buyout. See Note 3, "Redeemable Noncontrolling Interest".
[2] | Includes payments of $479 in cash and $44,521 in shares for the ecobee acquisition, $4,286 in shares for the Chilicon acquisition, and $4,500 in cash for the Mean Green acquisition. The payment of common stock is accounted for as a non-cash item in the condensed consolidated statement of cash flows.

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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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