Note 12 - Income Taxes - Summary of Income Taxes (Details) - USD ($)	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Federal
State	2,200	1,600
Total current tax provision	2,200	1,600
Federal	484,500	2,017,900
State	85,500	356,100
Total deferred provision	570,000	2,374,000
Provision for income taxes	$ 572,200	$ 2,375,600