v3.26.1
Note 11 - Retirement Plan (Details Textual) - Friedman Industries, Inc. Employee's Retirement and 401(k) Plan [Member] - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Employee Service Vesting Period (Year) 6 years  
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 700 $ 500
Stock Repurchase Program, Percentage of Shares Authorized to be Repurchased 15.00%  
Defined Contribution Plan, Cost $ 0 $ 0