Note 13 - Consolidated Balance Sheet Detail (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Property, Plant and Equipment [Table Text Block]

(In thousands)	2021			2020
Property and equipment
Leasehold improvements	$	3,840		$	2,393
Furniture and computer equipment		1,861			902
Manufacturing and other equipment		16,675			10,076
Construction in-progress		2,022			591
Subtotal		24,398			13,962
Less: Accumulated depreciation		(6,741	)		(3,842	)
Net property and equipment	$	17,657		$	10,120

Schedule of Accrued Liabilities [Table Text Block]

(In thousands)	2021		2020
Accrued expenses	$	1,656	$	472
Accrued taxes		27		112
Accrued compensation		4,351		2,898
Deferred revenue, current		814		931
Other		294		130
Total accrued expenses and other current liabilities	$	7,142	$	4,543

Schedule of Product Warranty Liability [Table Text Block]

(In thousands)	2021			2020
Beginning balance	$	212		$	191
Warranty reserve acquired in the acquisition of Global Cooling		3,353			-
Provision for warranties		9,845			137
Settlements of warranty claims		(4,012	)		(116	)
Ending Balance	$	9,398		$	212