Note 7 - Select Balance Sheet and Statement of Operations Information (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2022		2021
Raw materials	$	2,478	$	2,368
Work-in-progress		2,112		1,649
Finished goods		19,316		16,526
Total inventory	$	23,906	$	20,543

Property, Plant and Equipment [Table Text Block]

		December 31,
	Useful Lives (in years)	2022			2021
Lab equipment tooling and molds	4 – 10	$	4,356		$	8,194
Office furniture and equipment	6 – 10		1,240			1,743
Leasehold improvements	up to 10		794			1,839
Computers and software	3		906			1,939
Vehicles	5 – 7		37			37
Demo units	5		214			114
Total property and equipment			7,547			13,866
Less: Accumulated depreciation			(5,690	)		(11,197	)
Total property and equipment, net		$	1,857		$	2,669

Schedule of Other Current Assets [Table Text Block]

	December 31,
	2022		2021
Government remittances (1)	$	1,602	$	1,322
Consideration receivable from subsidiaries sale		629		1,405
Deferred financing costs		301		223
Sundry assets and miscellaneous		1,170		808
Total other current assets	$	3,702	$	3,758

Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block]

	December 31,
	2022		2021
Payroll and related expense	$	2,244	$	1,770
Accrued expenses		5,045		6,584
Commission accrual		3,761		4,529
Sales and consumption taxes		5,617		6,629
Total accrued expenses and other current liabilities	$	16,667	$	19,512

Schedule of Product Warranty Liability [Table Text Block]

	December 31,
	2022			2021
Balance as of the beginning of the year	$	1,753		$	1,639
Warranties issued during the year		993			1,231
Warranty costs incurred during the year		(1,264	)		(1,117	)
Balance at the end of the year	$	1,482		$	1,753
Current		1,074			1,245
Long-term		408			508
Total	$	1,482		$	1,753

Schedule of Finance Expenses [Table Text Block]

	December 31,
	2022		2021
Interest expense	$	4,297	$	3,720
Accretion on long-term debt and amortization of fees		264		1,235
Total finance expenses	$	4,561	$	4,955