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Note 4 - Other Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Other Liabilities [Table Text Block]

		*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