Represents period of warranty provided by the entity in connection with sale of its products against material defects.

No definition available.

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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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Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in the standard and extended product warranty accrual from warranties issued.

+ 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)(3))
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

+ Details

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Balance Type:	credit
Period Type:	duration

- 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.

+ 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)(1),(c)(5)
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

+ Details

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Balance Type:	credit
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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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Commitments and Contingencies (Details) $ in Thousands	3 Months Ended		6 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Jun. 30, 2020 USD ($) ft²	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) ft²	Jun. 30, 2019 USD ($)
Product Warranty [Abstract]
Period of warranty			12 months
Change in warranty accrual [Roll Forward]
Beginning accrued product warranty	$ 362	$ 325	$ 387	$ 236
Accruals for warranties issued	128	115	189	242
Adjustments related to pre-existing warranties including expirations and changes in estimates	(42)	55	(72)	148
Cost of warranty repair	(96)	(142)	(152)	(273)
Ending accrued product warranty	$ 352	$ 353	$ 352	$ 353
Leases
Area of property under long-term operating lease (in square feet) \| ft²	19,467		19,467
Cross License Agreement
Preferred label sub abstract as Contractual Obligations
Term of Agreement			10 years
Dingxing
Leases
Total investment agreement value	$ 90,000		$ 90,000
Kazuo
Leases
Total investment agreement value	15,000		15,000
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd Investment \| Kazuo
Leases
Total investment agreement value	$ 8,000		$ 8,000