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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Mar. 31, 2023
Notes to Financial Statements |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS FRIEDMAN INDUSTRIES, INCORPORATED (In thousands)
Description |  | Balance at |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Beginning |  |  |  |  |  |  |  |  |  |  | Balance at |
|  | of Period |  |  | Additions (A) |  |  | Deductions |  |  | End of Period |
Year ended March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable and cash discounts (deducted from related asset account) |  | $ | 85 |  |  | $ | 98 |  |  |  | — |  |  | $ | 183 |
Year ended March 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable and cash discounts (deducted from related asset account) |  | $ | 18 |  |  | $ | 67 |  |  |  | — |  |  | $ | 85 |
(A) | Additions consist of charges to bad debt expense of approximately $98 and $67 during fiscal years 2023 and 2022, respectively.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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