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Organization and Summary of Significant Accounting Policies - Going Concerns Uncertainty (Details)
9 Months Ended
Oct. 25, 2017
USD ($)
Sep. 22, 2017
USD ($)
Jul. 20, 2017
USD ($)
Jul. 17, 2017
USD ($)
May 17, 2017
May 15, 2017
Sep. 27, 2016
Nov. 18, 2015
USD ($)
Sep. 30, 2017
USD ($)
Going Concerns                  
Leverage ratio                 4.25
Fixed charge coverage ratio                 1.1
Default amount                 $ 63,700,000
Going Concerns | BSP Agency, LLC, a Delaware limited liability company                  
Debt instrument term                 5 years
Maximum borrowing capacity                 $ 85,000,000
Equipment Financing Debt | Going Concerns                  
Default amount                 $ 2,300,000
ABL Credit Facility                  
Percentage of maximum revolver amount                 12.50%
ABL Credit Facility | Wells Fargo Bank National Association And Other Lenders Party                  
Number of business day waiver           10 days      
ABL Credit Facility | Going Concerns                  
Debt instrument term   5 years              
Maximum borrowing capacity   $ 50,000,000              
Percentage of maximum revolver amount   12.50%              
ABL Credit Facility | Going Concerns | Wells Fargo Bank National Association And Other Lenders Party                  
Number of business day waiver         10 days        
ABL Credit Facility | Prior to amendment                  
Maximum Revolver Amount       $ 49,000,000          
ABL Credit Facility | After amendment through August 1, 2017                  
Maximum Revolver Amount       40,000,000          
ABL Credit Facility | From and after August 1, 2017                  
Maximum Revolver Amount       $ 35,000,000          
ABL Credit Facility | Maximum                  
Threshold Limit For Liquidity Amount                 $ 6,125,000
ABL Credit Facility | Maximum | Going Concerns                  
Threshold Limit For Liquidity Amount   $ 6,125,000              
Senior Secured Term Loan Due Quarterly Through November 2020                  
Maximum borrowing capacity               $ 85,000,000  
Senior Secured Term Loan Due Quarterly Through November 2020 | Wells Fargo Bank National Association And Other Lenders Party                  
Debt instrument term               5 years  
Maximum borrowing capacity               $ 50,000,000  
Senior Secured Term Loan Due Quarterly Through November 2020 | BSP Agency, LLC, a Delaware limited liability company                  
Amount increase of maximum borrowing capacity     $ 5,000,000         $ 25,000,000 $ 25,000,000
Term loan, monthly installment     $ 12,500            
Installments     monthly            
Net borrowings on U.S Bank line of credit     $ 5,000,000            
Senior Secured Term Loan Due Quarterly Through December 2020 | BSP Agency, LLC, a Delaware limited liability company                  
Amount increase of maximum borrowing capacity $ 5,000,000                
Term loan, monthly installment $ 12,500                
Installments monthly                
Net borrowings on U.S Bank line of credit $ 5,000,000                
Base Rate | ABL Credit Facility | Wells Fargo Bank National Association And Other Lenders Party                  
Basis points added to base rate (as a percent)           1.00%      
Base Rate | ABL Credit Facility | Going Concerns | Wells Fargo Bank National Association And Other Lenders Party                  
Basis points added to base rate (as a percent)           1.00%      
Base Rate | Senior Secured Term Loan Due Quarterly Through November 2020 | BSP Agency, LLC, a Delaware limited liability company                  
Basis points added to base rate (as a percent)             1.00%