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Note 8 - Debt (Details Textual) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	6 Months Ended
Note 8 - Debt (Details Textual) - USD ($) $ in Millions	Sep. 30, 2021	Mar. 03, 2023	Jun. 30, 2022	Dec. 31, 2022
Line of Credit Facility, Maximum Borrowing Capacity	$ 100.0
Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.15%
Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.00%
London Interbank Offered Rate (LIBOR) [Member] \| Forecast [Member]
Debt Instrument, Basis Spread on Variable Rate		1.25%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.00%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Base Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.00%
Base Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 75.0			$ 75.0
Debt Instrument, Interest Rate, Effective Percentage				6.10%
Line of Credit Facility, Remaining Borrowing Capacity				$ 32.7
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			0.25%
Term Loan [Member]
Debt Instrument, Face Amount	25.0
Debt Instrument, Annual Principal Payment	$ 3.6
Debt Instrument, Term	5 years