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Related Party Transactions - Additional Information (Detail) (USD $)
9 Months Ended 1 Months Ended 0 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Amway Global [Member]
Sep. 30, 2012
Amway Global [Member]
Dec. 31, 2012
Access Business Group, Llc [Member]
Sep. 14, 2012
Access Business Group, Llc [Member]
Sep. 21, 2012
Access Business Group International Llc [Member]
Sep. 30, 2013
Access Business Group International Llc [Member]
Sep. 30, 2013
ABG [Member]
Sep. 30, 2012
ABG [Member]
Sep. 30, 2012
Maximum [Member]
Amway Global [Member]
Sep. 30, 2013
Minimum [Member]
Amway Global [Member]
Related Party Transaction [Line Items]                        
Commissions paid $ 318,000 $ 576,000                    
Purchase Order Received           1,000,000            
Purchase Order Shipped         500,000              
License Agreement Terms             5 years          
Prior Period Notice             60 days          
Proceeds from License Fees Received               5,250        
Revenue From Test Process 47.00%                      
Concentration Risk, Percentage     38.00% 65.00%         47.00% 0.00% 65.00% 38.00%
Accounts Receivable, Net                 $ 327,000