v3.25.1
Note 11 - Retirement Plan (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Common Stock [Member]    
Stock Repurchase Program, Percentage of Shares Authorized to be Repurchased 15.00%  
Friedman Industries, Inc. Employee's Retirement and 401(k) Plan [Member]    
Employee Service Vesting Period (Year)   6 years
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 500 $ 500
Defined Contribution Plan, Cost $ 0 $ 0