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Organization and Summary of Significant Accounting Policies - Going Concerns Uncertainty (Details)
$ in Thousands
3 Months Ended
Apr. 01, 2017
USD ($)
Leverage ratio 4.25
Fixed charge coverage ratio 1.1
Default amount $ 102,600
BSP Agency, LLC, a Delaware limited liability company  
Debt instrument term 5 years
Maximum borrowing capacity $ 85,000
Equipment Financing Debt  
Default amount $ 4,900
ABL Credit Facility  
Debt instrument term 5 years
Maximum borrowing capacity $ 50,000
Percentage of maximum revolver amount 12.50%
ABL Credit Facility | Minimum  
Maximum Revolver Amount $ 50,000
ABL Credit Facility | Maximum  
Threshold Limit For Liquidity Amount $ 6,125