The cash inflow from capital reduction of Investments.

No definition available.

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- Definition

The total cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

+ References

No definition available.

+ Details

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- Definition

The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560

+ Details

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- Definition

The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

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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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Investments in Non-Marketable Equity Securities (Details Textual) - USD ($) $ in Thousands	1 Months Ended						12 Months Ended
	Dec. 31, 2016	Jun. 30, 2016	May 31, 2015	Oct. 31, 2014	May 31, 2014	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Security Owned Not Readily Marketable [Line Items]
Impairment loss on investment							$ 0	$ 0	$ 309
Gains (losses) on sale of securities, net							$ 10	1,993	10,471
L Company [Member]
Security Owned Not Readily Marketable [Line Items]
Proceeds from Sale, Maturity and Collection of Investments			$ 1,682		$ 14,743
Gains (losses) on sale of securities, net								$ 1,682	10,743
Total Proceeds From Sale, Maturity and Collection Of Investments					$ 16,425
S Company [Member]
Security Owned Not Readily Marketable [Line Items]
Proceeds from Sale, Maturity and Collection of Investments						$ 4,948
Gains (losses) on sale of securities, net									241
Chi Lin Optoelectronics Co Ltd [Member]
Security Owned Not Readily Marketable [Line Items]
Proceeds From Capital Reduction Of Investments	$ 137
Jetronics International Corp [Member]
Security Owned Not Readily Marketable [Line Items]
Proceeds From Capital Reduction Of Investments		$ 431		$ 1,168
Oculon Optoelectronics Inc [Member]
Security Owned Not Readily Marketable [Line Items]
Impairment loss on investment									$ 309