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Note 9 - Prepaid Expenses and Other - Summary of Prepaid Expenses and Others (Details) - USD ($) | Mar. 31, 2019 | Sep. 30, 2018
--- | --- | ---
Deposits for inventory | $ 72,846 | $ 1,366,069
Leashold improvement receivable | 180,103 | 1,132,017
Prepaid insurance | 168,554 | 162,822
Dues and subscriptions | 109,991 | 92,097
Other | 156,100 | 244,646
Prepaid expenses and other | 687,594 | 3,091,401
Prepaid Maintenance Agreement [Member] |  |
Prepaid maintenance agreement |  | $ 93,750

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