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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

As of December 31, 2017, future minimum lease payments under noncancelable operating leases are as follows:

Duration		Amount
		(in thousands)
January 1, 2018~December 31, 2018		$	1,122
January 1, 2019~December 31, 2019			753
January 1, 2020~December 31, 2020			512
January 1, 2021~December 31, 2021			318
January 1, 2022~December 31, 2022			298
January 1, 2023~December 31, 2024			238
		$	3,241

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- References

No definition available.

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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