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Equity Method Investments (Tables)

12 Months Ended

Dec. 31, 2017

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Equity Method Investments [Table Text Block]

As of December 31, 2016 and 2017, equity method investments consisted of the following:

		December 31,
		2016						2017
		Amount			Holding %			Amount			Holding %
		(in thousands)
Viewsil Microelectronics (Kunshan) Limited		$	2,318			49.00			2,214			49.00
Iris Optronics Co., Ltd.			44			2.06			30			2.06
Kneron Inc.			-			-			6,598			27.65
Emza Visual Sense Ltd.			-			-			1,802			45.10
Ganzin Technology Corp.			-			-			95			28.93
		$	2,362						10,739

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- References

No definition available.

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- Definition

Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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