Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Detail)

v3.4.0.3
Borrowings - Additional Information (Detail)
 3 Months Ended
Apr. 02, 2016
USD ($)
Apr. 02, 2016
USD ($)
May. 06, 2016
USD ($)
May. 05, 2016
USD ($)
Jan. 02, 2016
USD ($)
Line of Credit Facility [Line Items]          
Revolving loan payable $ 3,000,000 $ 3,000,000     $ 11,759,000
Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Event of default amount 0 0      
Principal payments due 0 0      
Jp Morgan Chase Bank | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity (up to) 30,000,000 30,000,000      
Revolving loan payable $ 3,000,000 $ 3,000,000      
Unused credit commitment fee (percent) 0.25%        
Minimum availability required trigger amount (if less than) $ 3,600,000        
Number of days below minimum excess availability that triggers cash dominion period 5 days        
Number of consecutive days excess availability is above required amount 60 days        
Excess availability (greater than) $ 3,600,000        
Minimum availability required under availability block $ 2,400,000        
Minimum fixed charge ratio if less than minimum excess availability 1.0 1.0      
Excess availability under credit facility $ 20,074,000 $ 20,074,000      
One-Month London Interbank Offered Rate (LIBOR) | Jp Morgan Chase Bank | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Applicable margin for LIBOR-based interest rate/ Applicable margin for alternate based rate (percent)   1.50%      
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Interest rate (percent) 1.94% 1.94%      
LIBOR based interest rate, principal $ 3,000,000        
Base Rate | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Interest rate (percent) 3.50% 3.50%      
Prime based rate, principal $ 0        
Base Rate | Jp Morgan Chase Bank | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Applicable margin for LIBOR-based interest rate/ Applicable margin for alternate based rate (percent) 0.25%        
Subsequent Event | Maximum | Jp Morgan Chase Bank | Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Line of credit facility exposure     $ 15,000 $ 6,000