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RELATED PARTY TRANSACTIONS AND CERTAIN OTHER TRANSACTIONS (Details) - Chief Executive Officer - USD ($)
3 Months Ended 9 Months Ended
Nov. 13, 2013
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Sales, general and administrative          
Related Party Transaction [Line Items]          
Aircraft leasing expenses   $ 0 $ 400,000 $ 0 $ 1,300,000
Aircraft lease agreement          
Related Party Transaction [Line Items]          
Rate to lease aircraft $ 5,000