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Basis of Presentation and Summary Accounting Policies - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Nov. 08, 2016
Schedule Of Significant Accounting Policies [Line Items]                
Percentage of total annual net sales in the third and fourth quarters         59.00% 60.00%    
Shipping and handling revenue $ 302,000 $ 313,000 $ 1,000,000 $ 1,000,000        
Restructuring Charges     1,701,000          
OTHER ASSETS 2,104,000   2,104,000   $ 2,022,000      
Current maturity of Credit Agreement Term Loan 9,851,000   9,851,000   19,646,000      
Credit Agreement Term Loan 1,970,000   1,970,000   14,733,000      
Employee Severance                
Schedule Of Significant Accounting Policies [Line Items]                
Restructuring Reserve 29,000   $ 29,000          
Receivables Purchase Agreement                
Schedule Of Significant Accounting Policies [Line Items]                
Agreement period     364 days          
Agreement period, extension term     Automatically be extended for annual successive terms unless terminated          
Agreement termination, written notice period     60 days          
Sale of receivables 0   $ 0          
Receivables Purchase Agreement | Subsequent Event                
Schedule Of Significant Accounting Policies [Line Items]                
Sale of receivables               $ 16,100,000
Receivables Purchase Agreement | Maximum                
Schedule Of Significant Accounting Policies [Line Items]                
Receivables purchase agreement - maximum borrowing 25,000,000   25,000,000          
Depreciation Adjustment                
Schedule Of Significant Accounting Policies [Line Items]                
Depreciaton charge $ 1,300,000   $ 1,300,000          
Restatement Adjustment | Accounting Standards Update 2015-03                
Schedule Of Significant Accounting Policies [Line Items]                
OTHER ASSETS         (621,000)      
Current maturity of Credit Agreement Term Loan         (354,000)      
Credit Agreement Term Loan         $ (267,000)      
Scenario, Forecast | Employee Severance                
Schedule Of Significant Accounting Policies [Line Items]                
Additional restructuring cost expected to incur             $ 606,000