XML 106 R91.htm IDEA: XBRL DOCUMENT v3.20.4
Segment Information (Schedule of Revenue by Major Customer) (Details) - Revenue
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
All distributors    
Revenue, Major Customer [Line Items]    
Percentage of revenue 49.00% 44.00%
Distributor A    
Revenue, Major Customer [Line Items]    
Percentage of revenue 23.00% 28.00%
Top five end customers    
Revenue, Major Customer [Line Items]    
Percentage of revenue [1] 58.00% 77.00%
End customer A    
Revenue, Major Customer [Line Items]    
Percentage of revenue [1] 40.00% 49.00%
End customer B    
Revenue, Major Customer [Line Items]    
Percentage of revenue [1] 5.00% 12.00%
[1] End customers include customers who purchase directly from us, as well as customers who purchase our products indirectly through distributors.