Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Additional Information (Details)

v3.22.2
Revenue Recognition - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation Of Revenue [Line Items]    
Estimated life of particular model phone 4 years  
Contract liabilities $ 11 $ 5
Other Assets    
Disaggregation Of Revenue [Line Items]    
Total capitalized costs $ 2,345 $ 2,889