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Note 2 - Summary of Significant Accounting Policies (Details Textual) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares
Book Overdrafts	$ 1.8	$ 0.6
Workers' Compensation Liability	2.2	1.6
Accrued Bonuses, Current	5.2	8.0
Sales and Excise Tax Payable, Current	5.3	4.4
Realized Gain (Loss), Foreign Currency Transaction, before Tax	$ 0.4	$ 0.5	$ (0.5)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares	0	0	0
Number of Customers with Receivable Balance in Excess of Ten Percent of Receivables	1	1
Accrued Liability [Member]
Workers' Compensation Liability, Current	$ 1.3	$ 0.5
Other Long-term Liabilities [Member]
Workers' Compensation Liability, Noncurrent	$ 0.9	$ 1.1
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	21 years
Land Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years
Land Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years
Building [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	20 years
Building [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	40 years
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years

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