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Significant Accounting Policies - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule Of Significant Accounting Policies [Line Items]      
Foreign currency gain/loss $ (714,000) $ (1,400,000) $ (258,000)
Shipping and handling revenue 1,600,000 1,400,000 1,400,000
Freight-out expenses 11,300,000 11,400,000 9,000,000
Advertising expenses 1,500,000 1,600,000 800,000
Restructuring expenses 437,000 $ 125,000 $ 367,000
Expected future charges of restructuring expenses $ 500,000    
Performance Shares      
Schedule Of Significant Accounting Policies [Line Items]      
Vesting period 3 years    
Number of shares range percentage 150.00%    
Wal Mart Stores Inc | Net sales | Credit Concentration Risk      
Schedule Of Significant Accounting Policies [Line Items]      
Percentage of net sales 16.00% 16.00% 15.00%
Building and Improvement | Minimum      
Schedule Of Significant Accounting Policies [Line Items]      
Property and equipment depreciated over estimated useful lives 30 years    
Machinery, Furniture and Equipment | Minimum      
Schedule Of Significant Accounting Policies [Line Items]      
Property and equipment depreciated over estimated useful lives 3 years    
Machinery, Furniture and Equipment | Maximum      
Schedule Of Significant Accounting Policies [Line Items]      
Property and equipment depreciated over estimated useful lives 10 years