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Earnings (Loss) per Common Share - Schedule of Dilutive Securities (Details) - Contingent Restricted Stock grants - $ / shares
9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 0 $ 0
Balance at the end of the period (in shares) 323,080 200,000