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Business Combination, Significant Transaction and Sale of Business (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Acquisition [Line Items] |
Summary of estimated fair values of the assets acquired and liabilities |
|  | December 31, |
|  | 2017 |  |  | 2018 |
Net assets, excluding cash acquired |  | $ | (1,822 | ) |  | $ | 306 |
Intangible assets |  |  | 1,149 |  |  |  | 23 |
Goodwill |  |  | 1,723 |  |  |  | 259 |
Total assets acquired net of acquired cash |  | $ | 1,050 |  |  | $ | 588 |
Comblack IT Ltd. [Member] |
Business Acquisition [Line Items] |
Summary of estimated fair values of the assets acquired and liabilities |
Net assets, excluding cash acquired |  | $ | (405 | )
Redeemable non-controlling interest |  |  | (989 | )
Intangible assets |  |  | 1,249 |
Goodwill |  |  | 1,966 |
Total assets acquired net of acquired cash |  | $ | 1,821 |
Infinigy Solutions LLC [Member] |
Business Acquisition [Line Items] |
Summary of estimated fair values of the assets acquired and liabilities |
Net assets, excluding cash acquired |  | $ | 1,182 |
Redeemable Non-controlling interest |  |  | (3,590 | )
Intangible assets |  |  | 3,675 |
Goodwill |  |  | 5,260 |
Total assets acquired net of acquired cash |  | $ | 6,527 |
Roshtov Software Industries Ltd [Member] |
Business Acquisition [Line Items] |
Summary of estimated fair values of the assets acquired and liabilities |
Net assets, excluding cash acquired |  | $ | 15 |
Redeemable Non-controlling interest |  |  | (14,012 | )
Intangible assets |  |  | 22,439 |
Deferred tax liability |  |  | (5,610 | )
Goodwill |  |  | 17,718 |
Total assets acquired net of acquired cash |  | $ | 20,550
Shavit Software Ltd [Member] |
Business Acquisition [Line Items] |
Summary of estimated fair values of the assets acquired and liabilities |
Net assets, excluding cash acquired |  | $ | 533 |
Intangible assets |  |  | 3,489 |
Deferred tax liability |  |  | (871 | )
Goodwill |  |  | 3,685 |
Total assets acquired net of acquired cash |  | $ | 6,836 |

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