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Schedule of Reconciliation of Contract Liabilities with Customers (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2021
Sep. 30, 2020
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending $ 623,000 $ 336,000
Consideration Received 569,000  
Recognized in Revenue (282,000)  
Ad Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 170,000 92,000
Consideration Received 356,000  
Recognized in Revenue (278,000)  
Expo Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 316,000 211,000
Consideration Received 105,000  
Recognized in Revenue 0
Other [Member]    
Disaggregation of Revenue [Line Items]    
Contract liabilities with customers ending 137,000 $ 33,000
Consideration Received 108,000  
Recognized in Revenue $ (4,000)