Note 12 - Subsequent Events (Details Textual) - Amended Credit Agreement [Member] $ in Millions		8 Months Ended
	May 04, 2023 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Forecast [Member]
Debt Instrument Covenant, Permitted Payments, Amount		$ 10
Debt Instrument Covenant, Permitted Investments		$ 5
Maximum [Member]
Debt Instrument Covenant, Net Leverage Ratio					4.5
Maximum [Member] | Forecast [Member]
Debt Instrument Covenant, Net Leverage Ratio		4.0	4.5	4.8
Subsequent Event [Member]
Debt Instrument Covenant, Net Leverage Ratio	4.00
Debt Instrument Covenant, Maximum Permitted Capital Expenditures	$ 10
Debt Instrument Covenant, Permitted Payments, Amount	$ 20
Subsequent Event [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Subsequent Event [Member] | Minimum [Member]
Debt Instrument Covenant, Net Leverage Ratio	4.0