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Stock-Based Compensation - Summary of Number of Securities Remaining Available for Future Issuance (Details) - shares
5 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2019
Mar. 25, 2018
Oct. 24, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Less: Awards granted to non-employee directors   (47,000) 0  
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 1,021,000 1,021,000   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 125,000      
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)