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v3.21.1

Commitments and Contingencies (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Product Warranty [Abstract] |  |
Period of warranty | 12 months |
Change in warranty accrual [Roll Forward] |  |
Beginning accrued product warranty | $ 609 | $ 387
Accruals for warranties issued | 113 | 61
Adjustments related to pre-existing warranties including expirations and changes in estimates | (54) | (30)
Cost of warranty repair | (86) | (56)
Ending accrued product warranty | $ 582 | $ 362
Cross License Agreement |  |
Preferred label sub abstract as Contractual Obligations |  |
Term of Agreement | 10 years |
Dingxing |  |
Preferred label sub abstract as Contractual Obligations |  |
Total investment agreement value | $ 90,000 |
Kazuo |  |
Preferred label sub abstract as Contractual Obligations |  |
Total investment agreement value | 15,000 |
Kazuo | Beijing BoYu Semiconductor Vessel Craftwork Technology Co |  |
Preferred label sub abstract as Contractual Obligations |  |
Total investment agreement value | $ 8,000 |

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- Definition Represents period of warranty provided by the entity in connection with sale of its products against material defects. + References No definition available. + Details
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- Definition Term of agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Total estimated investment value to related party including assets and capital. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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