Note 3 - Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Cash paid for:
Interest	$ 619	$ 832
Income taxes, net of refunds	0	(50)
Non-cash investing and financing activities:
Capital additions accrued but not yet paid	105	347
Operating lease right of use asset	83	1,524
Operating lease liabilities	(83)	(1,560)
Financing lease right of use assets	35	0
Financing lease liablities	$ (58)	$ 0

Amount of increase or decrease in finance lease liability.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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