Note 15 - Consolidated Balance Sheet Detail (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

(In thousands)	March 31, 2022			December 31, 2021
Property and equipment
Leasehold improvements	$	3,949		$	3,840
Furniture and computer equipment		1,819			1,861
Manufacturing and other equipment		16,807			16,675
Construction in-progress		2,818			2,022
Subtotal		25,393			24,398
Less: Accumulated depreciation		(7,134	)		(6,741	)
Net property and equipment	$	18,259		$	17,657

Schedule of Accrued Liabilities [Table Text Block]

(In thousands)	March 31, 2022		December 31, 2021
Accrued compensation	$	4,535	$	4,351
Accrued expenses		1,372		1,656
Deferred revenue, current		895		814
Accrued taxes		33		27
Other		131		294
Total accrued expenses and other current liabilities	$	6,966	$	7,142

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended March 31,
(In thousands)	2022			2021
Beginning balance	$	9,398		$	212
Provision for warranties		894			11
Settlements of warranty claims		(1,116	)		(22	)
Ending Balance	$	9,176		$	201