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Note 15 - Plant Restructuring - Restructuring Reserve (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Balance | $ 117 | $ 0 | $ 0
Charge to expense | 425 | 3,550 | 70
Cash payments/write offs | (542) | (3,433) | (70)
Charge to expense | 425 | 3,550 | 70
Balance | 0 | 117 | 0
Employee Severance [Member] |  |  |
Balance | 117 | 0 | 0
Charge to expense | 213 | 361 | 0
Cash payments/write offs | (330) | (244) | 0
Charge to expense | 213 | 361 | 0
Balance | 0 | 117 | 0
Other Restructuring [Member] |  |  |
Balance | 0 | 0 | 0
Charge to expense | 212 | 3,189 | 70
Cash payments/write offs | (212) | (3,189) | (70)
Charge to expense | 212 | 3,189 | 70
Balance | $ 0 | $ 0 | $ 0

X
- Definition The net amount of cash payments made (write offs of liability) as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan, excluding business exit costs. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Details
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- Details
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