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Note 12 - Revenue (Tables) | 6 Months Ended
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Sep. 30, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Flat-Roll Segment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company Owned Flat-Roll Products |  | $ | 141,694 |  |  | $ | 96,232 |  |  | $ | 264,540 |  |  | $ | 198,066 |
Processing or Storage of Customer Owned Coil |  |  | 1,646 |  |  |  | 1,147 |  |  |  | 2,867 |  |  |  | 2,700 |
|  | $ | 143,340 |  |  | $ | 97,379 |  |  | $ | 267,407 |  |  | $ | 200,766 |
Tubular Segment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manufactured Pipe |  | $ | 9,043 |  |  | $ | 9,380 |  |  | $ | 19,753 |  |  | $ | 20,544 |
|  | $ | 9,043 |  |  | $ | 9,380 |  |  | $ | 19,753 |  |  | $ | 20,544 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- References No definition available. + Details
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