Note 15 - Unaudited Condensed Consolidated Balance Sheet Detail (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Property, Plant and Equipment [Table Text Block]

	June 30,			December 31,
(In thousands)	2021			2020
Property and equipment
Leasehold improvements	$	2,942		$	2,393
Furniture and computer equipment		1,662			902
Manufacturing and other equipment		12,663			10,076
Construction in-progress		4,292			591
Subtotal		21,559			13,962
Less: Accumulated depreciation		(5,109	)		(3,842	)
Net property and equipment	$	16,450		$	10,120

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
(In thousands)	2021		2020
Accrued expenses	$	978	$	472
Accrued taxes		49		112
Accrued compensation		4,396		2,898
Warranty reserve liability		3,414		212
Deferred revenue, current		944		931
Other		130		130
Total accrued expenses and other current liabilities	$	9,911	$	4,755

Schedule of Product Warranty Liability [Table Text Block]

	Six Months Ended June 30,
(In thousands)	2021			2020
Beginning balance	$	212		$	191
Warranty reserve acquired in the acquisition of Global Cooling		3,353			-
Provision for warranties issued during the period		610			98
Settlements of warranty claims during the period		(761	)		(83	)
Ending Balance	$	3,414		$	206