Revenues (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019
Disaggregation Of Revenue [Line Items]
Revenue, practical expedient, financing component				true
Revenues	$ 3,517,561	$ 9,782,337		$ 18,329,017	$ 31,214,375
Decrease in loss before benefit for income taxes	237,341			237,341
Decrease in net loss	$ 189,873			$ 175,632
Decrease in loss per common share	$ 0.01			$ 0.01
Oil, NGL and Natural Gas [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 3,517,561	$ 9,782,337		$ 18,329,017	$ 31,214,375
Oil, NGL and Natural Gas [Member] | New Wells on Panhandle Acreage [Member]
Disaggregation Of Revenue [Line Items]
Revenues			$ 95,221	$ 259,336		$ 164,115
Minimum [Member]
Disaggregation Of Revenue [Line Items]
New wells production statements period				30 days
Maximum [Member]
Disaggregation Of Revenue [Line Items]
New wells production statements period				90 days