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Investments in Non-Marketable Equity Securities (Tables)

12 Months Ended

Dec. 31, 2017

Investments, All Other Investments [Abstract]

Schedule of Cost Method Investments [Table Text Block]

Following is a summary of such investments which are accounted for using the cost method as of December 31, 2016 and 2017:

		December 31,
		2016			2017
		(in thousands)
Chi Lin Optoelectronics Co., Ltd.		$	488			356
Chi Lin Technology Co., Ltd.			432			406
C Company			8,962			-
TIEF Fund, L. P.			1,600			1,600
eTurboTouch Technology Inc.			477			477
Shinyoptics Corp.			283			283
		$	12,242			3,122

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- References

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- Definition

A tabular disclosure of (a) the aggregate carrying amount of all cost-method investments; (b) the aggregate carrying amount of cost-method investments that the investor did not evaluate for impairment for cost-method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75025870&loc=d3e40691-111596

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