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 |
| X | ||||||||||
- Definition Estimated life of particular model phone. No definition available.
|
| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|