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Income Taxes (Narrative) (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 22, 2018
Jun. 30, 2018
Jun. 30, 2019
Mar. 31, 2018
Operating Loss Carryforwards [Line Items]        
Corporate income tax rate   21.00% 21.00% 21.00%
Minimum [Member]        
Operating Loss Carryforwards [Line Items]        
Corporate income tax rate 21.00%      
Operating loss carryforwards expiration date     Jun. 30, 2020  
Maximum [Member]        
Operating Loss Carryforwards [Line Items]        
Corporate income tax rate 35.00%      
Operating loss carryforwards expiration date     Jun. 30, 2038