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Schedule of Reconciliation of Contract Liabilities with Customers (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending $ 336 $ 83
Consideration Received 1,080 789
Recognized in Revenue (1,062) (536)
Contract with Customer, Liability, Current 354 336
Ad Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 92 76
Consideration Received 593 538
Recognized in Revenue (601) (522)
Contract with Customer, Liability, Current 84 92
Expo Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 211
Consideration Received 393 211
Recognized in Revenue (453)
Contract with Customer, Liability, Current 151 211
Other [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 33 7
Consideration Received 94 40
Recognized in Revenue (8) (14)
Contract with Customer, Liability, Current $ 119 $ 33