XML 43 R28.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Marketable Securities [Abstract] |
Held-to-Maturity Securities | The Company's investment in marketable securities as of December 31, 2013 and 2014 are classified as “held-to-maturity” and consist of the following:
|  |  |  |  |  | Gross |  |  | Gross |  |  |
|  |  |  |  |  | unrealized |  |  | unrealized |  |  |
|  |  | Amortized |  |  | holding |  |  | holding |  |  | Aggregate
|  |  | cost basis** |  |  | gains |  |  | (losses) |  |  | fair value*
|  |  | US$ thousands |  |
At December 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  | 15,328 |  |  |  |  | - |  |  |  |  | (69 | ) |  |  |  | 15,259 |
Non-Current |  |  |  |  |  | 20,536 |  |  |  |  | - |  |  |  |  | (271 | ) |  |  |  | 20,265 |
|  |  |  |  |  | 35,864 |  |  |  |  | - |  |  |  |  | (340 | ) |  |  |  | 35,524 |
At December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
government debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  | 15,015 |  |  |  |  | 20 |  |  |  |  | (76 | ) |  |  |  | 14,959 |
Non-Current |  |  |  |  |  | 24,617 |  |  |  |  | 69 |  |  |  |  | (167 | ) |  |  |  | 24,519 |
|  |  |  |  |  | 39,632 |  |  |  |  | 89 |  |  |  |  | (243 | ) |  |  |  | 39,478 |
* | Fair value is being determined using quoted market prices in active markets (Level 1).
** | Including accrued interest in the amount of US$ 391 thousand and US$ 339 thousand as of December 31, 2013 and 2014 respectively.
Schedule of Reconciliation of Marketable Securities |
| Activity in marketable securities in 2014 |  |  | US$ thousands
| Balance at January 1, 2014 |  |  |  |  |  |  |  |  | 39,632 |
| Purchases of marketable securities |  |  |  |  |  |  |  |  | 11,740 |
| Discount of marketable securities |  |  |  |  |  |  |  |  | (758 | )
| Proceeds from maturity of marketable securities |  |  |  |  |  |  |  |  | (14,750 | )
| Balance at December 31, 2014 |  |  |  |  |  |  |  |  | 35,864 |
Summary of Investment Securities in an Unrealized Loss Position |
The following table summarizes the gross unrealized losses on investment securities for which other-than-temporary impairments have not been recognized and the fair value of those securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2014: |
|  |  |  |  | Less than 12 months |  |  | 12 months or more |  |  | Total |
Held to maturity |  |  |  |  | Unrealized Losses |  |  | Fair value |  |  | Unrealized Losses |  |  | Fair value |  |  | Unrealized Losses |  |  | Fair value
Corporate debt securities |  |  |  |  |  | (170 | ) |  |  |  | 18,936 |  |  |  |  | (170 | ) |  |  |  | 15,573 |  |  |  |  | (340 | ) |  |  |  | 34,509 |  |

X
- Definition Schedule Of Reconciliation Of Marketable Securities [Table Text Block] + References No definition available. + Details
Name: | silc_ScheduleOfReconciliationOfMarketableSecuritiesTableTextBlock
Namespace Prefix: | silc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5086-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6435544&loc=d3e41834-113960 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration