Note 7 - Accounts Payable and Accrued Liabilities

3 Months Ended

Mar. 31, 2024

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

7.          ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

We are obligated to pay royalties pursuant to an exclusive Amended and Restated Intellectual Property License Agreement (the “License Agreement”), dated as of September 30, 2016, with Syzygy Licensing, LLC (“Syzygy”), a private technology invention, consulting and licensing company owned and controlled by Elwood G. Norris, a founder and former officer and current 5% stockholder of the Company, and James A. Barnes, a former officer and stockholder of the Company (see Note 13). Accounts payable includes $61 and $14 due to Syzygy as of March 31, 2024 and December 31, 2023, respectively.

Accrued liabilities consist of the following:

	March 31, 2024		December 31, 2023
Patent and legal costs	$	120	$	21
Accrued compensation		295		325
Warranty costs		51		72
Taxes and other		369		274
Total	$	835	$	692

Changes in our estimated product warranty costs were as follows:

	Three Months Ended March 31,
	2024			2023
Balance, beginning of period	$	72		$	125
Warranty settlements		(42	)		(1	)
Warranty provision		21			(33	)
Balance, end of period	$	51		$	91