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Earnings (Loss) per Common Share - Schedule of Outstanding Potentially Dilutive Securities (Details) - Contingent Restricted Stock grants - $ / shares
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted Average Exercise Price (in dollars per share) $ 0 $ 0
Outstanding (in shares)   200,000