Note 8 - Forgivable Loans Receivable - Forgivable Loan Activity (Details) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Balance	$ 1,834,000	$ 1,567,000
Advances	3,508,000	1,052,000
Amortization	(894,000)	(680,000)
Reclassification to other receivables	(270,000)	(105,000)
Acquired through the Winslow acquisition (see note 4)	91,000
Balance	$ 4,269,000	$ 1,834,000