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Related Party Transactions - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2013
Business Acquisition [Line Items]            
Prior Period Notice       60 days    
Business Combination, Consideration Transferred $ 250,000          
Amway Global [Member]            
Business Acquisition [Line Items]            
Commissions paid   $ 70,000 $ 59,000 $ 239,000 $ 160,000  
Amway Global [Member] | Sales [Member]            
Business Acquisition [Line Items]            
Concentration Risk, Percentage   45.00% 48.00% 49.00% 41.00%  
Access Business Group International Llc [Member]            
Business Acquisition [Line Items]            
Proceeds from License Fees Received   $ 39,000 $ 31,000 $ 143,000 $ 129,000  
ABG [Member]            
Business Acquisition [Line Items]            
Purchase Order Placed       $ 519,000    
ABG [Member] | Sales [Member]            
Business Acquisition [Line Items]            
Concentration Risk, Percentage   14.00% 30.00% 15.00% 35.00%  
ABG [Member] | 2014 Program [Member]            
Business Acquisition [Line Items]            
Purchase Order Received           $ 1,800,000
ABG [Member] | 2013 Program [Member]            
Business Acquisition [Line Items]            
Purchase Order Received           $ 1,500,000