Note 2 - Acquisitions - The Combined Fair Value of the Consideration Transferred for These Acquisitions (Details) - USD ($) $ in Thousands		Dec. 01, 2021	Jul. 02, 2021
Acquisition of Chilicon [Member]
Cash paid at closing			$ 11,821
Deferred cash payment (1)	[1]		6,000
Common stock issued at closing			12,000
Contingent consideration (2)	[2]		31,308
Total purchase price			$ 61,129
ecobee Inc. [Member]
Cash paid at closing		$ 225,458
Common stock issued at closing		420,774
Contingent consideration (2)	[3]	89,400
Total purchase price		$ 735,632

[1] Payable on the third business day after December 31, 2023.

[2] Payable within 45 calendar days following the conclusion of the earnout period, December 31, 2025. To be paid in the form of common stock issued upon achievement of certain performance targets at the end of the earnout period.

[3] To be paid in the form of common stock issued upon achievement of certain performance targets following the end of each of two earnout periods, one ended June 30, 2022, and one ending June 30, 2023.