Note 9 - Prepaid Expenses and Other - Summary of Prepaid Expenses and Others (Details) - USD ($)	Dec. 31, 2019	Sep. 30, 2019
Deposits for inventory	$ 625,610	$ 1,064,640
Prepaid insurance	144,709	194,285
Prepaid rent		87,782
Dues and subscriptions	28,572	88,031
Other	223,925	347,099
Prepaid expenses and other	$ 1,022,816	$ 1,781,837