Note 14 - Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

	Fair Value Measurements Using
2023 In Thousands	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial assets
Cash and cash equivalents	$	16	$	16	$	--	$	--
Financial liabilities
Notes Payable and Long-term debt	$	47,597	$	--	$	47,597	$	--

	Fair Value Measurements Using
2022 In Thousands	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial assets
Cash and cash equivalents	$	3,967	$	3,967	$	--	$	--
Financial liabilities
Notes Payable and Long-term debt	$	89,744	$	--	$	89,744	$	--