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Significant Customers (Tables)
 12 Months Ended
Dec. 31, 2015
Risks and Uncertainties [Abstract]  
Schedules of Concentration of Risk, by Risk Factor
Sales to significant customers that represented more than 10 percent of total revenues are as follows:
 
Year ended December 31,
 
2015
 
2014
Customer A
14.2
%
 
16.0
%
 
Customer B
10.4
%
 
—
%
*
Total
24.6
%
 
16.0
%
 

* Sales didn't exceed 10% of the revenue.

The following table summarizes the percentage of total gross accounts receivable from significant customers:
 
As of December 31,
 
2015
 
2014
Customer A
18.0
%
 
21.0
%
Customer B
16.0
%
 
10.0
%
Total
34.0
%
 
31.0
%