Annual report pursuant to Section 13 and 15(d)

Industry, Segment, and Geographic Financial Information - Concentration (Details)

v3.22.0.1
Industry, Segment, and Geographic Financial Information - Concentration (Details) - customer
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Top five customers    
Significant Customers and Vendors    
Number of customers 5 5
Net sales | Customer concentration risk    
Significant Customers and Vendors    
Number of customers 2  
Net sales | SHI | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 17.00% 14.00%
Net sales | CDW | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 18.00% 24.00%
Net sales | Top five customers | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 51.00% 52.00%
Net accounts receivable | SHI | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 22.00% 9.00%
Net accounts receivable | CDW | Customer concentration risk    
Significant Customers and Vendors    
Percentage of concentration risk 18.00% 19.00%
Purchases | Vendor concentration risk | SolarWinds    
Significant Customers and Vendors    
Percentage of concentration risk 10.00% 12.00%
Purchases | Vendor concentration risk | Sophos    
Significant Customers and Vendors    
Percentage of concentration risk 20.00% 20.00%