Note 13 - Leases - Components of Lease Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating lease cost	$ 296,677		$ 943,834
Impairment of right of use asset	660,242		660,242
Operating lease cost	956,919		1,604,076
Amortization of right-of-use assets	71,925		198,289
Interest on lease liabilities	18,220		43,182
Total finance lease cost	$ 90,145		$ 241,471