The parent entity's additional interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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- Definition

Represents the number of minority investment entities that are not consolidated and are accounted for under the equity method.

+ References

No definition available.

+ Details

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- Definition

Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 505
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-Section 55
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- References

No definition available.

+ Details

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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- 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.

+ References

No definition available.

+ Details

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The Company and Summary of Significant Accounting Policies - Foreign Currency Translation (Details)		1 Months Ended	9 Months Ended	12 Months Ended
	Jun. 15, 2018 USD ($)	May 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2019 USD ($) company	Dec. 31, 2018 USD ($) company	Dec. 31, 2017 USD ($)	Jun. 30, 2019	Apr. 30, 2019	Mar. 11, 2019	Mar. 10, 2019	Jun. 14, 2018
The Company and Summary of Significant Accounting Policies
Number of equity method investments \| company				5	7
Additional percentage of ownership, consolidated method				2
Foreign Currency Translation
Foreign exchange transaction exchange gains (losses)				$ 321,000	$ 165,000	$ (602,000)
Beijing JiYa Semiconductor Material Co., Ltd
The Company and Summary of Significant Accounting Policies
Percentage of ownership, consolidated method (in hundredths)									39.00%	46.00%
Nanjing JinMei Gallium Co., Ltd Investment
The Company and Summary of Significant Accounting Policies
Percentage of ownership, consolidated method (in hundredths)		100.00%					100.00%	97.00%
Additional percentage of ownership, consolidated method		3
Nanjing JinMei Gallium Co., Ltd Investment
The Company and Summary of Significant Accounting Policies
Purchase of subsidiary shares from noncontrolling interest	$ 1,400,000	$ 413,000	$ 252,000
Additional percentage of ownership, consolidated method	12	3.00
Nanjing JinMei Gallium Co., Ltd Investment \| Nanjing JinMei Gallium Co., Ltd Investment
The Company and Summary of Significant Accounting Policies
Percentage of ownership, consolidated method (in hundredths)				100.00%							83.00%