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Note 9 - Prepaid Expenses and Other - Summary of Prepaid Expenses and Others (Details) - USD ($)
Jun. 30, 2019
Sep. 30, 2018
Deposits for inventory $ 7,740 $ 1,366,069
Leashold improvement receivable 180,103 1,132,017
Prepaid insurance 293,656 162,822
Dues and subscriptions 69,674 92,097
Other 208,192 244,646
Prepaid expenses and other 759,365 3,091,401
Prepaid Maintenance Agreement [Member]    
Prepaid maintenance agreement $ 93,750