Revenue Recognition - Accounts receivable (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Allowance for credit loss	$ 0	$ 0
Accounts receivable	4,515,199	5,843,722	$ 6,015,448
Natural gas and oil sales
Disaggregation of Revenue [Line Items]
Accounts receivable	3,224,441	4,888,294	4,327,886
Joint Interest Billing
Disaggregation of Revenue [Line Items]
Accounts receivable	0	0	17,476
Gathering and Compression fees
Disaggregation of Revenue [Line Items]
Accounts receivable	1,071,634	918,471	1,543,239
Commodity Contract
Disaggregation of Revenue [Line Items]
Accounts receivable	219,124	36,957	72,075
Interest
Disaggregation of Revenue [Line Items]
Accounts receivable	$ 0	$ 0	$ 54,772