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Organization and Summary of Significant Accounting Policies - Going Concerns Uncertainty (Details)
6 Months Ended
Jul. 20, 2017
USD ($)
Jul. 17, 2017
USD ($)
May 17, 2017
May 15, 2017
Sep. 27, 2016
Nov. 18, 2015
USD ($)
Jul. 01, 2017
USD ($)
Going Concerns              
Leverage ratio             4.25
Fixed charge coverage ratio             1.1
Default amount             $ 97,200,000
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             $ 4,500,000
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  
Amount increase of maximum borrowing capacity           10,000,000  
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            
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%