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Schedule of Reconciliation of Provision for Income Taxes (Details) - USD ($)
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Income Tax Disclosure [Abstract]    
Tax expense at federal statutory rate [1] $ 412,754 $ 979,167
Statutory depletion carryforward 152,054 (257,509)
Change in valuation allowance (3,578) (749,912)
U. S. tax reform, corporate rate reduction
Permanent differences 46,819 28,196
State income expense, net of federal benefit 94,507 164,510
Other (82,012) 58
Total income tax expense $ 620,544 $ 164,510
Effective income tax rate 31.60% 3.40%
[1] The federal statutory rate was 21% for fiscal years ending March 31, 2024 and 2023.