XML 64 R48.htm IDEA: XBRL DOCUMENT v3.3.1.900
Segment Information and Major Customers - Additional Information (Detail)
12 Months Ended
Dec. 31, 2015
Industry
Revenue, Major Customer [Line Items]  
Number of industry in which company operates 0
Sales [Member] | Minimum [Member]  
Revenue, Major Customer [Line Items]  
Customer purchases with respect of company's sales 10.00%