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Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
May 08, 2017 | Jun. 10, 2015 | Feb. 17, 2015 | Jan. 08, 2015 | Feb. 03, 2014 | Nov. 30, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares |  |  |  |  |  |  | $ 746 | $ 1,283 | $ 760 |
Trading description |  |  |  |  |  |  | For each Ordinary Share purchased under the SEDA, YA will pay 95% for 2014 SEDA and 93% for 2015 and 2017 SEDA, of the lowest daily VWAP (as defined below) of the Ordinary Shares during the five consecutive trading days (or, for the 2015 and 2017 SEDA, commencing June 2016, three consecutive trading days), following the date of an advance notice from the Company (provided such VWAP is greater than or equal to 90% of the last closing price of the Ordinary shares at the time of delivery of the advance notice). Notwithstanding the forgoing, the notice shall not exceed $500 for the 2014, 2015 and 2017 SEDA. |  |  |
Ordinary shares, shares authorized |  |  |  |  |  |  | 4,000,000 | 4,000,000 |  |
Increase in authorized share |  |  |  | 1,500,000 |  |  |  |  |  |
Increase in common shares authorized prior to amendment |  |  |  | 2,500,000 |  |  |  |  |  |
Stock option compensation expenses |  |  |  |  |  |  | $ 60 | $ 124 | 130 |
Prepaid expenses related to 2017 SEDA |  |  |  |  |  |  | 140 |  |  |
Subsidiary [Member] | January 1, 2016 [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares |  |  |  |  |  |  |  | 162,734 |  |
Issuance of ordinary share value |  |  |  |  |  |  |  | $ 298 |  |
Stock Option [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Stock option compensation expenses |  |  |  |  |  |  | $ 60 | $ 124 | $ 119 |
Options still available for future grants |  |  |  |  |  |  | 117,183 |  |  |
Vesting period |  |  |  |  |  |  | 4 years |  |  |
Stock option plan expiration date |  |  |  |  |  | May 31, 2023 |  |  |  |
Weighted-average grant-date fair value of options granted |  |  |  |  |  |  | $ 2.16 | $ 2.08 | $ 2.43 |
Weighted-average grant-date fair value of unvested options |  |  |  |  |  |  | $ 2.22 |  |  |
Total intrinsic value of options exercised |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |
Unrecognized compensation cost related to non-vested share-based compensation arrangements |  |  |  |  |  |  | $ 107 | $ 98 |  |
Share based compensation options description |  |  |  |  |  | On November 2016 and on December 2017, the Company's shareholders approved an increase in the number of options for Ordinary Shares available for issuance under the Plan by 125,000 and 100,000, respectively, resulting in 500,000 options for Ordinary Shares available for issuance under the Plan. | Each option granted under the Plan expires between 4-10 years from the date of the grant. |  |  |
Options exercised |  |  |  |  |  |  |  | 10,000 |  |
Exercise price of options |  |  |  |  |  |  |  | $ 29.6 |  |
YA Global Master SPV Ltd. [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares | $ 2,000 |  | $ 1,300 |  | $ 2,000 |  |  |  |  |
Number of ordinary shares issued, shares |  |  |  |  |  |  | 354,096 | 565,402 | 111,951 |
Number of ordinary shares issued |  |  |  |  |  |  | $ 606 | $ 1,260 | $ 187 |
Ordinary shares issued for commitment fee |  |  |  |  |  |  | 67,307 |  | 28,930 | 13,711
Issuance expenses |  |  |  |  |  |  | $ 22 | $ 24 | $ 13 |
YA Global Master SPV Ltd. [Member] | Share Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares, shares |  | 244,630 |  |  |  |  |  |  |  |
Issuance of ordinary shares |  | $ 573 |  |  |  |  |  |  |  |
Shares issued, Price per share |  | $ 2.406 |  |  |  |  |  |  |  |
Issuance expenses |  | $ 16 |  |  |  |  |  |  |  |
2014 SEDA [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Agreement period, Description |  |  |  |  |  |  | Three-year period |  |  |
2015 SEDA [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Agreement period, Description |  |  |  |  |  |  | Forty-month period |  |  |
2017 SEDA [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Agreement period, Description |  |  |  |  |  |  | Four-year |  |  |
Cukierman & Co. [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Shares issued for services |  |  |  |  |  |  | 0 | 0 | 4,065 |
iDnext [Member] |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Textual) |  |  |  |  |  |  |  |  |  |
Shares issued for services |  |  |  |  |  |  |  | 4,882 |  |

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