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Selected Statements of Operations Data (Tables) | 12 Months Ended
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Dec. 31, 2017
Selected Statements of Operations Data [Abstract] |
Schedule of revenues from sales to unaffiliated customers |
|  |  | Year ended December 31, |
|  |  | 2017 |  |  | 2016 |  |  | 2015 |
| North America |  | $ | 25,157 |  |  | $ | 19,167 |  |  | $ | 1,018 |
| Europe |  |  | 778 |  |  |  | 946 |  |  |  | 1,204 |
| Asia (excluding Philippines) |  |  | 374 |  |  |  | 355 |  |  |  | 576 |
| Philippines |  |  | 4,501 |  |  |  | 4,959 |  |  |  | 8,071 |
| South America (excluding Brazil) |  |  | 883 |  |  |  | 785 |  |  |  | 2,456 |
| Brazil |  |  | 1,783 |  |  |  | 2,496 |  |  |  | 3,487 |
| Other (including Israel) |  |  | 3,757 |  |  |  | 802 |  |  |  | 1,861 |
|  |  | $ | 37,233 |  |  | $ | 29,510 |  |  | $ | 18,673 |
Schedule of property and equipment, net, by geographic areas |
|  |  | Year ended December 31, |
|  |  | 2017 |  |  | 2016 |
| Israel |  | $ | 1,781 |  |  | $ | 1,422 |
| Other |  |  | 143 |  |  |  | 94 |
|  |  | $ | 1,924 |  |  | $ | 1,516 |
Schedule of financial income (expenses), net |
|  |  | Years ended December 31, |
|  |  | 2017 |  |  | 2016 |  |  | 2015 |
| Financial Income: |  |  |  |  |  |  |  |  |
| Interest income |  | $ | 572 |  |  | $ | 489 |  |  | $ | 229 |
| Foreign currency exchange gain |  |  | 215 |  |  |  | 424 |  |  |  | 36 |
|  |  |  | 787 |  |  |  | 913 |  |  |  | 265 |
| Financial expenses: |  |  |  |  |  |  |  |  |  |  |  |
| Bank charges |  |  | (58 | ) |  |  | (23 | ) |  |  | (23 | )
| Foreign currency exchange loss |  |  | (340 | ) |  |  | (74 | ) |  |  | (675 | )
|  |  |  | (398 | ) |  |  | (97 | ) |  |  | (698 | )
|  |  | $ | 389 |  |  | $ | 816 |  |  | $ | (433 | )
Schedule of computation of basic and diluted net income (loss) per ordinary share |
|  |  | Years ended December 31, |
|  |  | 2017 |  |  | 2016 |  |  | 2015 |
| Numerator: |  |  |  |  |  |  |  |  |
| Numerator for basic net income (loss) per Ordinary Share |  | $ | 2,901 |  |  | $ | 1,915 |  |  | $ | (923 | )
| Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
| Options and warrants issued to grantees and investors, respectively |  |  | - |  |  |  | - |  |  |  | - |
| Numerator for dilutive net income (loss) per Ordinary Share |  | $ | 2,901 |  |  | $ | 1,915 |  |  | $ | (923 | )
| Denominator: |  |  |  |  |  |  |  |  |  |  |  |
| Denominator for dilutive net income (loss) per Ordinary Share - weighted average number of Ordinary Shares |  |  | 12,039,176 |  |  |  | 10,406,897 |  |  |  | 8,572,681 |
| Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
| Options and warrants issued to grantees and investors, respectively |  |  | 312,390 |  |  |  | 372,650 |  |  |  | - |
| Denominator for diluted net income (loss) per Ordinary Share - adjusted weighted average number of Ordinary Shares |  |  | 12,351,566 |  |  |  | 10,779,547 |  |  |  | 8,572,681 |

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- Definition Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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