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Note 15 - Unaudited Condensed Consolidated Balance Sheet Detail

9 Months Ended

Sep. 30, 2021

Supplemental Balance Sheet Disclosures [Text Block]

15. Unaudited Condensed Consolidated Balance Sheet detail

Property and equipment

	September 30,			December 31,
(In thousands)	2021			2020
Property and equipment
Leasehold improvements	$	3,301		$	2,393
Furniture and computer equipment		1,793			902
Manufacturing and other equipment		13,798			10,076
Construction in-progress		4,747			591
Subtotal		23,639			13,962
Less: Accumulated depreciation		(6,177	)		(3,842	)
Net property and equipment	$	17,462		$	10,120

Depreciation expense for property and equipment was $691,000 and $2.1 million for the three and nine months ended September 30, 2021, respectively, and $296,000 and $873,000 for the three and nine months ended September 30, 2020, respectively.

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consist of the following:

	September 30,		December 31,
(In thousands)	2021		2020
Accrued expenses	$	1,435	$	472
Accrued taxes		62		112
Accrued compensation		4,167		2,898
Warranty reserve liability		5,552		212
Deferred revenue, current		710		931
Other		131		130
Total accrued expenses and other current liabilities	$	12,057	$	4,755

Warranty reserve liability

We reserve estimated exposures on known claims, as well as on a portion of anticipated claims, for product warranty and rework cost, based on historical product liability claims. Claim costs are deducted from the accrual when paid. Factors that could have an impact on the warranty accrual in any given period include the following: changes in manufacturing quality, changes in product costs, changes in product mix and any significant changes in sales volume.

A rollforward of our warranty liability is as follows:

	Nine Months Ended
	September 30,
(In thousands)	2021			2020
Beginning balance	$	212		$	191
Warranty reserve acquired in the acquisition of Global Cooling		3,353			-
Provision for warranties		4,446			109
Settlements of warranty claims		(2,459	)		(92	)
Ending Balance	$	5,552		$	208