Note 6 - Assets Held For Sale - Assets and Liabilities Held For Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Current assets held for sale	$ 64	$ 4,358
Disposal Group, Held-for-Sale, Not Discontinued Operations [Member]
Property, plant and equipment (net)	64	4,358
Current assets held for sale	$ 64	$ 4,358

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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