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Long-Term Debt (Details)
12 Months Ended
Feb. 01, 2019
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
May 04, 2018
USD ($)
Mar. 30, 2016
USD ($)
Line of Credit Facility [Line Items]            
Principal payment   $ 4,000,000 $ 2,000,000 $ 2,000,000    
March 2016 Term Loan | Secured Debt            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity           $ 10,000,000.0
Frequency of periodic payment   quarterly        
Periodic principal payment   $ 500,000        
Fixed interest rate         5.68% 4.93%
Fixed charge coverage ratio 1.10       1.25 1.50
Minimum working capital $ 6,000,000.0       $ 8,000,000.0 $ 5,000,000.0
Total liabilities to tangible net worth ratio         3.00  
Remaining amount to be paid in 2020   $ 1,500,000        
March 2016 Revolving Loan | Secured Debt            
Line of Credit Facility [Line Items]            
Principal payment 2,000,000.0          
March 2016 Revolving Loan | Revolving Credit Facility            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity $ 5,000,000.0         $ 2,000,000.0