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SELECTED STATEMENTS OF OPERATIONS DATA (Tables) | 12 Months Ended
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Dec. 31, 2014
Other Income and Expenses [Abstract] |
Financial Income, Net | Financial income, net:
|  | Year ended December 31, |
|  | 2012 |  |  | 2013 |  |  | 2014 |
Interest income |  | $ | 4,507 |  |  | $ | 3,884 |  |  | $ | 2,824 |
Gain on available-for-sale marketable securities, net |  |  | 184 |  |  |  | 379 |  |  |  | 6 |
Amortization of premium on available-for-sale marketable securities, net |  |  | (1,267 | ) |  |  | (1,504 | ) |  |  | (1,121 | )
Foreign exchange loss, net |  |  | (44 | ) |  |  | (45 | ) |  |  | (565 | )
Accretion of Contingent Consideration |  |  | — |  |  |  | — |  |  |  | (169 | )
|  | $ | 3,380 |  |  | $ | 2,714 |  |  | $ | 975 |

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- Definition Tabular disclosure of interest income and other income elements which are not separately disclosed on the income statement. + References No definition available. + Details
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