Revenues (Narrative) (Details) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Disaggregation Of Revenue [Line Items]
Revenue, practical expedient, financing component				true
Decrease in loss before benefit for income taxes	$ 1,044,297			$ 1,044,297
Decrease in net loss	$ 778,407			$ 766,335
Decrease in loss per common share	$ 0.05			$ 0.05
Change in estimate for new wells on Panhandle acreage	$ 7,217,618		$ 9,221,319	$ 14,811,456	$ 21,432,038
Oil, NGL and Natural Gas [Member]
Disaggregation Of Revenue [Line Items]
Change in estimate for new wells on Panhandle acreage	$ 7,217,618		$ 9,221,319	14,811,456	$ 21,432,038
Oil, NGL and Natural Gas [Member] | New Wells on Panhandle Acreage [Member]
Disaggregation Of Revenue [Line Items]
Change in estimate for new wells on Panhandle acreage		$ 488,490		$ 1,140,171		$ 651,681
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