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Note 9 - Prepaid Expenses and Other (Tables)
6 Months Ended
Mar. 31, 2019
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   
March 31,
   
September 30,
 
   
2019
   
2018
 
Deposits for inventory
  $
72,846
    $
1,366,069
 
Leashold improvement receivable
   
180,103
     
1,132,017
 
Prepaid insurance
   
168,554
     
162,822
 
Prepaid maintenance agreement
   
-
     
93,750
 
Dues and subscriptions
   
109,991
     
92,097
 
Other
   
156,100
     
244,646
 
    $
687,594
    $
3,091,401