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Credit Facilities (Details)
May 03, 2016
USD ($)
Jun. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Line of Credit Facility [Line Items]          
Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization, Period Two 3.5        
Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization, Period Three 2.5        
Fixed Charge Coverage Ratio 1.35        
Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization 2.99        
Line of Credit Facility, Current Borrowing Capacity   $ 6,700,000      
Cash and cash equivalents   4,601,000 $ 3,427,000 $ 2,820,000 $ 5,558,000
Term Loans          
Line of Credit Facility [Line Items]          
Maximum availability   25,000,000      
Line of Credit          
Line of Credit Facility [Line Items]          
Maximum availability   10,000,000      
Loan Balance   5,000,000      
Debt Instrument, Unused Borrowing Capacity, Amount   5,800,000      
Letter of Credit [Member]          
Line of Credit Facility [Line Items]          
Line of Credit Facility, Current Borrowing Capacity   $ 900,000      
Term Loan with Fifth Third Bank [Member] | Term Loans          
Line of Credit Facility [Line Items]          
Maximum availability $ 25,000,000        
Line of Credit Facility, Periodic Payment, Principal $ 312,500