Quarterly report pursuant to Section 13 or 15(d)

Major Customers and Vendors (Details)

v3.7.0.1
Major Customers and Vendors (Details)
 3 Months Ended
Mar. 31, 2017
entity
customer
Mar. 31, 2016
entity
customer
Purchases | Vendor concentration risk    
Significant Customers and Vendors    
Number of vendors | entity 2 2
Purchases | Vendor concentration risk | Major vendor one    
Significant Customers and Vendors    
Percentage of concentration risk 30.80% 31.20%
Purchases | Vendor concentration risk | Major vendor two    
Significant Customers and Vendors    
Percentage of concentration risk 13.40% 10.00%
Net sales | Customer concentration risk    
Significant Customers and Vendors    
Number of customers 2 2
Net sales | Customer one | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 21.80% 21.40%
Net sales | Customer two | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 21.60% 20.50%
Net accounts receivable | Customer concentration risk    
Significant Customers and Vendors    
Number of customers 2  
Net accounts receivable | Customer one | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 29.90%  
Net accounts receivable | Customer two | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 10.70%