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Inventory (Tables)
6 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventory consists of the following: 

 

   

March 31, 

2019 

    September 30,
2018
 
Component parts   $ 3,446     $ 3,647  
Finished goods     990       1,563  
Total inventories   $ 4,436     $ 5,210