Summary of Significant Accounting Policies - Summary of Changes in Warranty Provision (Detail) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Accounting Policies [Abstract] | ||||||
| Beginning balance | $ 27 | $ 61 | [1] | |||
| Warranty Provision | 190 | 198 | 118 | |||
| Warranty Claims Settled | (56) | (232) | (57) | |||
| Ending balance | $ 161 | $ 27 | $ 61 | |||
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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