Note 15 - Unaudited Condensed Consolidated Balance Sheet Detail - Warranty Reserve Liability (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Beginning balance	$ 212	$ 191
Warranty reserve acquired in the acquisition of Global Cooling	3,353	0
Provision for warranties	4,446	109
Settlements of warranty claims	(2,459)	(92)
Ending Balance	$ 5,552	$ 208

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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