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SELECTED STATEMENTS OF INCOME DATA | 12 Months Ended
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Dec. 31, 2017
Other Income and Expenses [Abstract] |
SELECTED STATEMENTS OF INCOME DATA | NOTE 11: SELECTED STATEMENTS OF INCOME DATA Financial income, net:
|  | Year ended December 31, |
|  | 2015 |  |  | 2016 |  |  | 2017 |
Interest income |  | $ | 2,845 |  |  | $ | 3,300 |  |  | $ | 4,233 |
Loss on available-for-sale marketable securities, net |  |  | (78 | ) |  |  | (9 | ) |  |  | — |
Amortization of premium on available-for-sale marketable securities, net |  |  | (1,111 | ) |  |  | (1,064 | ) |  |  | (1,179 | )
Foreign exchange loss, net |  |  | (490 | ) |  |  | (188 | ) |  |  | (28 | )
Accretion of Contingent Consideration |  |  | (97 | ) |  |  | — |  |  |  | — |
|  | $ | 1,069 |  |  | $ | 2,039 |  |  | $ | 3,026 |

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- Definition The entire disclosure for interest and other income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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- References No definition available. + Details
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