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Stock-Based Compensation (Summary of Non-vested Restricted Stock Activity) (Details) - Restricted Stock [Member] - $ / shares
9 Months Ended
Jun. 26, 2018
Jun. 27, 2017
Shares    
Non-vested shares at beg of year 115,039  
Granted 37,037 103,440
Forfeited (16,699)  
Vested (41,037)  
Non-vested shares at June 26, 2018 94,340  
Grant Date Fair Value Per Share    
Granted $ 2.70  
Minimum [Member]    
Grant Date Fair Value Per Share    
Non-vested shares 3.15  
Granted   $ 3.15
Forfeited 3.15  
Vested 3.15  
Non-vested shares at June 26, 2018 2.70  
Maximum [Member]    
Grant Date Fair Value Per Share    
Non-vested shares 8.60  
Granted   $ 3.20
Forfeited 4.18  
Vested 4.18  
Non-vested shares at June 26, 2018 $ 8.60