Note 4 - Major Customers (Details)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Details
Concentration Risk, Additional Characteristic	the Company had three customers who individually accounted for 10% or more of the Company's oil and gas sales and who, in aggregate, accounted for 97% of oil and gas sales	the Company had three customers who individually accounted for 10% or more of the Company's oil and gas sales and who, in aggregate, accounted for 94% of oil and gas sales
Concentration Risk, Other Risk	the three customers individually accounted for 43%, 41% and 13% of oil and gas sales	the three customers individually accounted for 46%, 28% and 20% of oil and gas sales