Note 10 - Financing Agreements - Revolving Facility Margins (Details) - Revolving Credit Facility [Member]	9 Months Ended
	Sep. 30, 2023
Base Rate [Member] | Total Net Leverage Ratio is Less than or Equal to 1.00:1.00 [Member]
Margin	0.25%
Base Rate [Member] | Total Net Leverage Ratio is Greater than 1.00:1.00 but Less than or Equal to 2.00:1.00 [Member]
Margin	0.50%
Base Rate [Member] | Total Net Leverage Ratio is Greater than 2.00:1.00 [Member]
Margin	0.75%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Total Net Leverage Ratio is Less than or Equal to 1.00:1.00 [Member]
Margin	1.25%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Total Net Leverage Ratio is Greater than 1.00:1.00 but Less than or Equal to 2.00:1.00 [Member]
Margin	1.50%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Total Net Leverage Ratio is Greater than 2.00:1.00 [Member]
Margin	1.75%