Note 4 - Major Customers (Details)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
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 94% of oil and gas sales	the Company had two customers who individually accounted for 10% or more of the Company's oil and gas sales and who, in aggregate, accounted for 91% of oil and gas sales.
Concentration Risk, Other Risk	the three customers individually accounted for 37%, 32% and 25% of oil and gas sales.	the two customers individually accounted for 58% and 33% of oil and gas sales.