Note 12 - Consolidated Balance Sheet Detail (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
(In thousands)	2020			2019
Property and equipment
Leasehold improvements	$	2,393		$	2,112
Furniture and computer equipment		902			794
Manufacturing and other equipment		10,076			5,187
Construction in-progress		591			-
Subtotal		13,962			8,093
Less: Accumulated depreciation		(3,842	)		(2,521	)
Net property and equipment	$	10,120		$	5,572

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
(In thousands)	2020		2019
Accrued expenses	$	472	$	301
Accrued taxes		112		-
Accrued compensation		2,898		1,554
Warranty reserve liability		212		191
Deferred revenue, current		931		324
Loans payable, current		614		13
Other		130		986
Total accrued expenses and other current liabilities	$	5,369	$	3,369

Other Noncurrent Liabilities [Table Text Block]

	December 31,
(In thousands)	2020		2019
Loans payable, net of current	$	655	$	-
Deferred revenue, net of current		71		-
Other		-		4
Total other long-term liabilities	$	726	$	4

Schedule of Debt [Table Text Block]

					December 31,
(In thousands)	Maturity Date	Interest Rate			2020		2019
Paycheck Protection Program loan	May 2022		1.0	%	$	295	$	-
Freezer equipment loan	December 2025		5.7	%		365		-
Manufacturing equipment loans	October 2025		5.7	%		439		-
Freezer installation loan	Various		6.3	%		156		-
Other loans	Various	Various				14		13
Total					$	1,269	$	13

Schedule of Maturities of Long-term Debt [Table Text Block]

(In thousands)	Amount
2021	$	614
2022		158
2023		167
2024		177
2025		153
Total	$	1,269