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MARKETABLE SECURITIES | 12 Months Ended
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Dec. 31, 2016
Cash and Cash Equivalents [Abstract] |
MARKETABLE SECURITIES | NOTE 3: MARKETABLE SECURITIES The following is a summary of available-for-sale marketable securities at December 31, 2015 and 2016:
|  | As at December 31, 2016 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Available-for-sale—matures within one year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 9,456 |  |  | $ | 4 |  |  | $ | (15 | ) |  | $ | 9,445 |
|  |  | 9,456 |  |  |  | 4 |  |  |  | (15 | ) |  |  | 9,445 |
Available-for-sale—matures after one year through five years: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government bonds |  |  | 501 |  |  |  | — |  |  |  | (4 | ) |  |  | 497 |
Corporate bonds |  |  | 52,490 |  |  |  | 3 |  |  |  | (567 | ) |  |  | 51,926 |
|  |  | 52,991 |  |  |  | 3 |  |  |  | (571 | ) |  |  | 52,423 |
Total |  | $ | 62,447 |  |  | $ | 7 |  |  | $ | (586 | ) |  | $ | 61,868 |
|  | As at December 31, 2015 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Available-for-sale—matures within one year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  | $ | 1 |  |  | $ | — |  |  | $ | — |  |  | $ | 1 |
Corporate bonds |  |  | 9,257 |  |  |  | 1 |  |  |  | (50 | ) |  |  | 9,208 |
|  |  | 9,258 |  |  |  | 1 |  |  |  | (50 | ) |  |  | 9,209 |
Available-for-sale—matures after one year through three years: : |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 39,501 |  |  |  | — |  |  |  | (444 | ) |  |  | 39,057 |
|  |  | 39,501 |  |  |  | — |  |  |  | (444 | ) |  |  | 39,057 |
Total |  | $ | 48,759 |  |  | $ | 1 |  |  | $ | (494 | ) |  | $ | 48,266 |
The following table presents gross unrealized losses and fair values for those investments that were in an unrealized loss position as of December 31, 2015 and 2016, and the length of time that those investments have been in a continuous loss position:
|  | Less than 12 months |  |  | 12 months or greater |
|  | Fair Value |  |  | Gross unrealized loss |  |  | Fair Value |  |  | Gross unrealized loss |
As of December 31, 2016 |  | $ | 48,663 |  |  | $ | (557 | ) |  | $ | 4,875 |  |  | $ | (29 | )
As of December 31, 2015 |  | $ | 32,695 |  |  | $ | (389 | ) |  | $ | 14,488 |  |  | $ | (105 | )
As of December 31, 2015 and 2016, management believes the impairments are not other than temporary and therefore the impairment losses were recorded in accumulated other comprehensive income (loss). The following table presents gross realized gains and losses from sale of available-for-sale marketable securities:
|  | Year ended December 31, |
|  | 2014 |  |  | 2015 |  |  | 2016 |
Gross realized gains from sale of available-for-sale marketable securities |  | $ | 99 |  |  | $ | 4 |  |  | $ | 24 |
Gross realized losses from sale of available-for-sale marketable securities |  | $ | (93 | ) |  | $ | (82 | ) |  | $ | (33 | )

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References No definition available. + Details
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