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Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Intangible Assets Acquired from Acquisition

The intangible assets acquired from the Company’s acquisition of FCI and Centronix in 2007 and Shannon Systems in 2015 are as follows:

		December 31
		2014																2015
		US$																US$
		Cost				Accumulated Impairment				Accumulated Amortization				Net Carrying Amount				Cost				Accumulated Impairment				Accumulated Amortization				Net Carrying Amount
Core technology			15,809				(4,474	)			(11,335	)			—				15,809				(4,474	)			(11,335	)			—
Customer relationship			8,325				—				(8,325	)			—				8,325				—				(8,325	)			—
Order backlog			1,243				—				(1,243	)			—				1,243				—				(1,243	)			—
Developed technology			—				—				—				—				8,381				—				(1,051	)			7,330
Total			25,377				(4,474	)			(20,903	)			—				33,758				(4,474	)			(21,954	)			7,330

Carrying Value of Goodwill

		December 31
		2014																2015
		US$																US$
		Cost				Accumulated Impairment				Foreign Currency Adjustment				Net Carrying Amount				Cost				Accumulated Impairment				Foreign Currency Adjustment				Net Carrying Amount
Goodwill			66,300				(30,808	)			(25	)			35,467				99,504				(30,808	)			(36	)			68,660

X

- Definition

Tabular disclosure of finite-lived intangible assets acquired as part of a business combination or through an asset purchase, by major class and in total, including the value of the asset acquired, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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