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Schedule of Reconciliation of Contract Liabilities with Customers (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers beginning $ 83 $ 134
Consideration Received 789 1,256
Recognized in Revenue (536) (1,307)
Contract liabilities with customers ending 336 83
Ad Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers beginning 76 126
Consideration Received 538 602
Recognized in Revenue (522) (652)
Contract liabilities with customers ending 92 76
Expo Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers beginning
Consideration Received 211 602
Recognized in Revenue (602)
Contract liabilities with customers ending 211
Other [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers beginning 7 8
Consideration Received 40 52
Recognized in Revenue (14) (53)
Contract liabilities with customers ending $ 33 $ 7