Note 7 - Accounts Payable and Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	As of September 30, 2024		As of December 31, 2023
Patent and legal costs	$	60	$	21
Accrued compensation		111		325
Warranty costs		35		72
Taxes and other		801		274
Total	$	1,007	$	692

Schedule of Product Warranty Liability [Table Text Block]

	Nine Months Ended September 30,
	2024			2023
Balance, beginning of period	$	72		$	125
Warranty settlements		(74	)		(8	)
Warranty provision		37			(8	)
Balance, end of period	$	35		$	109