Note 5 - Supplemental Oil and Gas Information - Schedule of Oil and Gas (Details)	Oct. 31, 2025 MMcf	Oct. 31, 2025 MMBbls	Jul. 31, 2025 USD ($)
Future cash inflows			$ 523,015
Oil and Gas, Proved Reserve, Quantity, Volume (Million Barrels of Oil)	166.531	0.641
Future development costs			10,875
Future LOE			273,427
Future net cash flows (undiscounted)			225,431
10% annual discount			151,456
Standardized measure of discounted future net cash flows			$ 156,671

Amount of discount on estimated future accumulated cash inflow, after future accumulated cash outflow for development and production costs and future income tax expense, for proved oil and gas reserves, using discount rate of 10 percent per year.

Amount, after discount, future accumulated cash outflow for development and production costs, and future income tax expense, of estimated future accumulated cash inflow for proved oil and gas reserves.

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+ Details