Annual report pursuant to Section 13 and 15(d)

Concentrations - Additional Information (Detail)

v3.3.1.900
Concentrations - Additional Information (Detail) - Sales Revenue, Net - Customer
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Product Concentration Risk      
Concentration Risk [Line Items]      
Concentration Risk Percentage 100.00% 100.00% 100.00%
Number of customers which represented more than 10% of the Company's revenue 0 0  
Product Concentration Risk | Minimum      
Concentration Risk [Line Items]      
Concentration Risk Percentage 10.00% 10.00%  
Henry Schein Inc | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration Risk Percentage 3.00% 6.00% 5.00%