Note 6 - Select Balance Sheet and Statement of Operations Information (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2023		2022
Raw materials	$	2,090	$	2,478
Work-in-progress		1,983		2,112
Finished goods		18,600		19,316
Total inventory	$	22,673	$	23,906

Property, Plant and Equipment [Table Text Block]

	Useful Lives		March 31,			December 31,
	(in years)		2023			2022
Lab equipment tooling and molds		4 – 10	$	3,579		$	4,356
Office furniture and equipment		6 – 10		1,246			1,240
Leasehold improvements		up to 10		616			794
Computers and software		3		919			906
Vehicles		5 – 7		37			37
Demo units		5		214			214
Total property and equipment				6,611			7,547
Less: Accumulated depreciation				(4,868	)		(5,690	)
Total property and equipment, net			$	1,743		$	1,857

Schedule of Other Current Assets [Table Text Block]

	March 31,		December 31,
	2023		2022
Government remittances (1)	$	781	$	1,602
Consideration receivable from subsidiaries sale		362		629
Deferred financing costs		239		301
Sundry assets and miscellaneous		647		1,170
Total other current assets	$	2,029	$	3,702

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

	March 31,		December 31,
	2023		2022
Payroll and related expense	$	1,906	$	2,244
Accrued expenses		5,631		5,045
Commission accrual		2,609		3,761
Sales and consumption taxes		4,819		5,617
Total accrued expenses and other current liabilities	$	14,965	$	16,667

Schedule of Product Warranty Liability [Table Text Block]

	March 31,			December 31,
	2023			2022
Balance as of the beginning of the period	$	1,482		$	1,753
Warranties issued during the period		195			993
Warranty costs incurred during the period		(341	)		(1,264	)
Balance at the end of the period	$	1,336		$	1,482
Current		945			1,074
Long-term		391			408
Total	$	1,336		$	1,482

Schedule of Finance Expenses [Table Text Block]

	Three Months Ended March 31,
	2023		2022
Interest expense	$	1,443	$	858
Accretion on long-term debt and amortization of fees		65		65
Total finance expenses	$	1,508	$	923