Revenues - Schedule of Reconciliation of Contract Liabilities with Customers (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2020 USD ($)
Contract liabilities with customers beginning	$ 83
Consideration Received	718
Recognized in Revenue	(320)
Contract liabilities with customers ending	481
Ad Revenue [Member]
Contract liabilities with customers beginning	76
Consideration Received	355
Recognized in Revenue	(303)
Contract liabilities with customers ending	128
Expo Revenue [Member]
Contract liabilities with customers beginning
Consideration Received	351
Recognized in Revenue
Contract liabilities with customers ending	351
Other [Member]
Contract liabilities with customers beginning	7
Consideration Received	12
Recognized in Revenue	(17)
Contract liabilities with customers ending	$ 2