Quarterly report pursuant to Section 13 or 15(d)

Major customers (Details)

v2.4.0.8
Major customers (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2014
customer
Jun. 30, 2013
customer
Jun. 30, 2014
customer
Jun. 30, 2013
customer
Purchases | Vendor concentration risk | One major vendor
       
Significant Customers        
Number of vendors 1   1  
Percentage of concentration risk 13.20%   11.50%  
Purchases | Vendor concentration risk | Two major vendor
       
Significant Customers        
Number of vendors   2   2
Purchases | Vendor concentration risk | Vendor one
       
Significant Customers        
Percentage of concentration risk   13.50%   10.90%
Purchases | Vendor concentration risk | Vendor two
       
Significant Customers        
Percentage of concentration risk   10.90%   9.70%
Net sales | Customer concentration risk
       
Significant Customers        
Number of customers 3 3 3 3
Net sales | Customer one | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk 17.50% 15.60% 16.70% 15.00%
Net sales | Customer two | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk 14.50% 13.30% 15.10% 13.90%
Net sales | Customer three | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk 11.50% 12.60% 11.10% 12.00%
Net accounts receivable | Customer one | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk     12.50%  
Net accounts receivable | Customer two | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk     14.50%  
Net accounts receivable | Customer three | Customer concentration risk
       
Significant Customers        
Percentage of concentration risk     9.00%