Note 2 - Summary of Significant Accounting Policies (Details Textual) shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares
Book Overdrafts	$ 0	$ 1,800
Workers' Compensation Liability	1,900	2,200
Accrued Bonuses, Current	9,600	5,200
Accrued Vacation, Current	3,800	3,500
Sales and Excise Tax Payable, Current	2,600	5,300
Realized Gain (Loss), Foreign Currency Transaction, before Tax	$ (400)	$ 400	$ 500
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	$ 500	$ 1,300
Other Long-term Liabilities [Member]
Workers' Compensation Liability, Noncurrent	$ 1,400	$ 900
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

Outstanding checks in excess of funds on deposit that are shown in account payable.

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Number of customers with balances in excess of 10% of total accounts receivable.

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Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, before tax, of realized gain (loss) from foreign currency transaction.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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