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Revenue Recognition - Schedule of Revenues in Excess of Billings and Deferred Revenue (Details) - USD ($)
Mar. 31, 2021
Jun. 30, 2020
Revenue Recognition and Deferred Revenue [Abstract]    
Revenues in excess of billings $ 10,748,231 $ 18,506,733
Deferred Revenue $ 5,728,790 $ 4,095,472