Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Schedule of Net Revenue Disaggregated by Product Category (Details)

v3.20.1
Revenue Recognition - Schedule of Net Revenue Disaggregated by Product Category (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Disaggregation Of Revenue [Line Items]    
Revenue $ 12,706 $ 26,484
Smartphones    
Disaggregation Of Revenue [Line Items]    
Revenue 6,218 14,412
Feature Phones    
Disaggregation Of Revenue [Line Items]    
Revenue 5,901 10,331
Accessories/Other    
Disaggregation Of Revenue [Line Items]    
Revenue $ 587 $ 1,741