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Long-Term Debt - Narrative (Details)
3 Months Ended
Feb. 01, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
May 04, 2018
USD ($)
Mar. 30, 2016
USD ($)
Line of Credit Facility [Line Items]          
Repayment of term loan   $ 0 $ 500,000    
March 2016 Term Loan | Secured Debt          
Line of Credit Facility [Line Items]          
Maximum capacity on draw         $ 10,000,000.0
Quarterly installments   $ 500,000      
Fixed rate interest on debt (in percentage)       5.68% 4.93%
Debt instrument, covenant, fixed charge coverage ratio 1.10     1.25 1.50
Debt instrument, covenant, required minimum working capital $ 6,000,000.0     $ 8,000,000.0 $ 5,000,000.0
Debt instrument, covenant, total liabilities to tangible net worth ratio       3.00  
March 2016 Term Loan | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Maximum capacity on draw         2,000,000.0
March 2016 Revolving Loan | Secured Debt          
Line of Credit Facility [Line Items]          
Repayment of term loan 2,000,000.0        
March 2016 Revolving Loan | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Maximum capacity on draw $ 5,000,000.0       $ 2,000,000.0