Annual report pursuant to Section 13 and 15(d)

Borrowings - Additional Information (Detail)

v3.7.0.1
Borrowings - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2016
Nov. 15, 2016
Dec. 31, 2016
May 06, 2016
Jan. 02, 2016
Line of Credit Facility [Line Items]          
Revolving loan payable $ 0   $ 0   $ 11,759,000
Minimum availability required trigger amount (if less than)   $ 2,400,000      
Number of consecutive days excess availability is above required amount   45 days      
Total capital leases payable 10,312,000   10,312,000    
JPMorgan Chase Bank | Revolving Line of Credit Facility          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity   $ 30,000,000      
Revolving loan payable 0   0    
Line of Credit Facility, Exposure Amount   20,000,000   $ 15,000,000  
Letters of Credit Outstanding, Amount $ 11,658,000   $ 11,658,000    
Maximum aggregate principal amount of indebtedness allowed for capital lease obligations   3,500,000   $ 2,000,000  
Minimum availability required trigger amount (if less than)   $ 3,600,000      
Consecutive business days below minimum excess availability   3 days      
Number of consecutive days excess availability is above required amount   60 days      
Unused capacity commitment fee percentage 0.25%        
Limited security by foreign subsidiaries' capital stock percentage     65.00%    
One-Month London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank | Revolving Line of Credit Facility          
Line of Credit Facility [Line Items]          
Applicable margin for LIBOR-based interest rate/ Applicable margin for Alternate base rate     1.25%    
London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank | Revolving Line of Credit Facility          
Line of Credit Facility [Line Items]          
Interest rate 2.06%   2.06%    
LIBOR based interest rate, principal $ 0        
Base Rate | JPMorgan Chase Bank | Revolving Line of Credit Facility          
Line of Credit Facility [Line Items]          
Applicable margin for LIBOR-based interest rate/ Applicable margin for Alternate base rate     0.25%    
Interest rate 3.50%   3.50%    
Prime based rate principal $ 0