Note 1 - Business Description and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	As of December 31,
	2024		2023
Accounts receivable	$	186,000	$	577,000
Allowance for estimated credit losses		—		(153,000	)
Accounts receivable, net	$	186,000	$	424,000