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Related Party Transactions (Narrative) (Details) - USD ($)
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2020
Transact 24 Limited [Member]      
Related Party Transaction [Line Items]      
Revenue from related parties $ 400,000 $ 4,400,000  
Due from related parties     $ 0
Managing Director Spouse [Member]      
Related Party Transaction [Line Items]      
Transaction amount from related parties $ 100,000 $ 300,000