Note 4 - Other Accrued Liabilities

6 Months Ended

Jun. 30, 2023

Notes to Financial Statements

Other Liabilities Disclosure [Text Block]

Note 4.    Other Accrued Liabilities

Other accrued liabilities consist of the following as of  June 30, 2023 and December 31, 2022:

	June 30,		December 31,
	2023		2022
Insurance	$	135,000	$	591,000
Professional services		323,000		92,000
Operating costs		624,000		539,000
Other		314,000		322,000
Total other accrued liabilities	$	1,396,000	$	1,544,000