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Marketable Securities | 12 Months Ended
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Dec. 31, 2012
Marketable Securities [Abstract] |
Marketable Securities | NOTE 3:- MARKETABLE SECURITIES The following is a summary of marketable securities at December 31, 2011 and 2012:
|  | 2011 |  |  | 2012 |
|  | Amortized |  | Gross unrealized |  |  | Fair market |  | Amortized |  | Gross unrealized |  |  | Fair market |
|  | Cost |  | gains |  |  | value |  | cost |  | gains |  |  | value |
Corporate debentures |  | $ | 204 |  |  | $ | 15 |  |  | $ | 219 |  |  | $ | 204 |  |  | $ | 99 |  |  | $ | 303 |
Government bonds |  |  | 12,784 |  |  |  | 378 |  |  |  | 13,162 |  |  |  | 3,515 |  |  |  | 250 |  |  |  | 3,765 |
|  | $ | 12,988 |  |  | $ | 393 |  |  | $ | 13,381 |  |  | $ | 3,719 |  |  | $ | 349 |  |  | $ | 4,068 |
Aggregate maturities of marketable securities for years subsequent to December 31, 2012 are:
|  | Amortized cost |  |  | Gross unrealized gain |  |  | Fair market value |
Less than 1 year |  | $ | - |  |  | $ | - |  |  | $ | - |
1-3 years |  |  | 3,515 |  |  |  | 250 |  |  |  | 3,765 |
3-5 years |  |  | 91 |  |  |  | 46 |  |  |  | 137 |
More than 5 years |  |  | 113 |  |  |  | 53 |  |  |  | 166 |
|  | $ | 3,719 |  |  | $ | 349 |  |  | $ | 4,068 |
During 2012, the Company recorded net proceeds from sales of these securities in amount of $ 9,717 and income from sale of marketable securities in an amount of $ 57. As of December 31, 2011 and 2012, interest receivable amounted to $ 213 and $ 81, respectively, and is included within other accounts receivable in the balance sheets.

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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