Note D - Fair Values of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

			Fair Value Measurements Using
March 31, 2023 In thousands	Carrying Amount		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	$	6,064	$	6,064	$	-	$	-
Financial liabilities
Current portion of long-term debt	$	7,143	$	-	$	7,143	$	-
Long-term debt	$	88,082	$	-	$	88,082	$	-

			Fair Value Measurements Using
December 31, 2022 In thousands	Carrying Amount		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
Current portion of long-term debt	$	7,143	$	-	$	7,143	$	-
Long-term debt	$	87,738	$	-	$	87,738	$	-

			Fair Value Measurements Using
March 19, 2022 In thousands	Carrying Amount		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	$	6,392	$	6,392	$	-	$	-
Financial liabilities
Current portion of long-term debt	$	7,143	$	-	$	7,143	$	-
Long-term debt	$	92,850	$	-	$	92,850	$	-