XML 83 R71.htm IDEA: XBRL DOCUMENT v3.21.1
Concentration of Credit Risk - Additional Information (Details) - Vendor
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
China    
Concentration Risk [Line Items]    
Number of vendors 3  
Myanmar    
Concentration Risk [Line Items]    
Number of vendors 1  
Minnesota    
Concentration Risk [Line Items]    
Number of vendors 1  
Customer Concentration Risk | Net Revenue    
Concentration Risk [Line Items]    
Concentration risk percentage 10.00% 10.00%
Customer Concentration Risk | Trade Accounts Receivable    
Concentration Risk [Line Items]    
Concentration risk percentage 10.00% 10.00%