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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 22, 2017
Apr. 20, 2018
Apr. 14, 2017
Apr. 20, 2018
Apr. 14, 2017
Federal tax rate, percentage 35.00%     35.00%  
Effective income tax rate   64.80% 30.80%    
Deferred income tax expense       $ 3,200
Income tax description       The remeasurement of deferred income taxes at newly enacted tax rates resulted in a $3,200 income tax expense or a 37.5% impact on the effective tax rate for the second quarter, and the newly enacted tax legislation resulted in a blended 23.07% statutory federal income tax rate for fiscal 2018.  
Effective income tax amount   $ 1,640      
Related to tax on gain on sale percent   19.20%      
Reclassified other comprehensive income to retained earnings       $ 2,529  
November 2, 2018 [Member]          
Effective income tax rate 23.07%        
Fiscal Year 2018 [Member]          
Effective income tax rate       23.07%  
Fiscal Year 2018 [Member] | Deferred Tax [Member]          
Effective income tax rate       23.07%  
Thereafter [Member]          
Effective income tax rate       21.00%  
Thereafter [Member] | Deferred Tax [Member]          
Effective income tax rate       21.00%  
Reduced Federal Tax Rate [Member]          
Federal tax rate, percentage 21.00%     21.00%