Revenues (Narrative) (Details) - USD ($)	3 Months Ended				6 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation Of Revenue [Line Items]
Revenue, practical expedient, financing component					true
Decrease in loss before benefit for income taxes	$ 1,717,948				$ 1,717,948
Decrease in net loss	$ 1,283,339				$ 1,263,155
Decrease in loss per common share	$ 0.08				$ 0.08
Revenues	$ 7,982,905			$ 9,221,319	$ 15,576,743	$ 21,432,038
Oil, NGL and Natural Gas [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 7,982,905			$ 9,221,319	15,576,743	$ 21,432,038
Oil, NGL and Natural Gas [Member] | New Wells on Panhandle Acreage [Member]
Disaggregation Of Revenue [Line Items]
Revenues		$ 549,130	$ 1,322,115		$ 1,871,245
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