Note 6 - Borrowings (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Funded Debt to Adjusted Ratio Percentage [Table Text Block]

Funded Debt to EBITDA Ratio	Revolving  Commitment ABR Spread	Revolving  Commitment Term Benchmark Spread	Letter of  Credit Fee	Commitment Fee Rate
Category 1 Greater than or equal to 3.50 to 1.0	1.25%	3.00%	3.00%	0.50%
Category 2 Greater than or equal to 3.00 to 1.0 but less than 3.50 to 1.0	0.75%	2.50%	2.50%	0.35%
Category 3 Greater than or equal to 2.50 to 1.0 but less than 3.00 to 1.0	0.25%	2.00%	2.00%	0.30%
Category 4 Greater than or equal to 1.50 to 1.0 but less than 2.50 to 1.0	-0-	1.75%	1.75%	0.25%
Category 5 Less than 1.50 to 1.0	(0.25%)	1.50%	1.50%	0.20%

Schedule of Long-Term Debt Instruments [Table Text Block]

In Thousands	2023			2022
Senior secured revolving credit facility of $85.0 million with a maturity of January 21, 2027. The interest rate at December 31, 2023 was 8.54% and 6.92% at December 31, 2022.	$	18,158		$	55,000
Term loan of $50.0 million with a maturity date of January 21, 2027. The interest rate at December 31, 2023 and December 31, 2022, was 2.97%.		32,738			39,881
		50,896			94,881
Current portion of long-term debt		(7,143	)		(7,143	)
	$	43,753		$	87,738