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Stock-Based Compensation - Summary of Number of Securities Remaining Available for Future Issuance (Details) - shares
8 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Oct. 24, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Less: Awards granted to employees   (10,000)  
Amended 2013 Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Authorized under the Amended 2013 Plan 1,250,000 1,250,000  
Available for issuance under the Amended 2013 Plan 1,031,000 1,031,000 1,250,000
Amended 2013 Plan [Member] | Awards Expired, Forfeited or Otherwise Terminated Unexercised [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Plus: Awards expired, forfeited or otherwise terminated unexercised 135,000    
Amended 2013 Plan [Member] | Awards Granted to Employees [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Less: Awards granted to employees (265,000)    
Amended 2013 Plan [Member] | Awards Granted to Non-Employee Directors [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Less: Awards granted to non-employee directors (89,000)