Equity (Details Textual) ₪ / shares in Units, $ / shares in Units, ₪ in Thousands, $ in Thousands |
1 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 10, 2019 |
Apr. 04, 2019 |
Mar. 13, 2018
USD ($)
shares
|
May 22, 2019
USD ($)
shares
|
Jan. 18, 2019
USD ($)
shares
|
Nov. 28, 2013
$ / shares
shares
|
Dec. 31, 2019
shares
|
Sep. 30, 2019
shares
|
Sep. 10, 2019
shares
|
Dec. 31, 2018
shares
|
Dec. 12, 2018
ILS (₪)
₪ / shares
shares
|
May 31, 2018
shares
|
Dec. 03, 2015
ILS (₪)
₪ / shares
shares
|
|
| Statement Line Items [Line Items] | |||||||||||||
| Description of option agreement | (1) ADS representing two (2) ordinary shares to a new ratio of one (1) ADS representing thirty (30) ordinary shares. For ADS holders, the ratio change had the same effect as a one-for-fifteen reverse ADS split. All ADS and per ADS data in the financial statements and their related notes have been retroactively adjusted for all periods presented to reflect the ratio change. | ||||||||||||
| 2013 Plan [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Description of option agreement | Under the 2013 Plan, the Company may grant its officers, directors, employees and consultants, Stock options, of the Company. Each Stock option granted shall be exercisable at such times and terms and conditions as the Board of Directors may specify in the applicable option agreement, provided that no option will be granted with a term in excess of 10 years. | ||||||||||||
| Reserved for issuance shares of common stock | 2,500,000 | ||||||||||||
| NIS [Member] | 2013 Plan [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Ordinary shares par value | $ / shares | $ 0.25 | ||||||||||||
| January 2019 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Description of warrants exercised | The fair value of the warrants issued as part of the January 2019 Financing, as of commitment date and December 31, 2019 were USD 784 and USD 30, respectively. | ||||||||||||
| May 2019 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Description of warrants exercised | The fair value of the warrants issued as part of the May 2019 Financing, as of commitment date and December 31, 2019 were USD 2,109 and USD 1,425, respectively. | ||||||||||||
| April 2019 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Description of warrants exercised | The fair value of the warrants issued as part of the April 2019 Financing, as of commitment date and December 31, 2019 were USD 977 and USD 94, respectively. | ||||||||||||
| Ordinary Shares [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Number of shares authorized | 500,000,000 | ||||||||||||
| Ordinary shares | 19,934,355 | ||||||||||||
| Warrants to purchase additional shares | 5,000,004 | 45,000,000 | 4,476,192 | ||||||||||
| Aggregate purchase price | $ | $ 5,000 | $ 6,000 | $ 2,350 | ||||||||||
| Cash issuance costs | $ | $ 540 | $ 428 | |||||||||||
| Ordinary Shares [Member] | Univo Agreement [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Ordinary shares | 19,934,355 | ||||||||||||
| Ordinary Shares [Member] | Consultant [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Number of shares authorized | 500,000,000 | ||||||||||||
| Ordinary shares | 996,690 | ||||||||||||
| Ordinary Shares [Member] | NIS [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Ordinary shares par value | ₪ / shares | ₪ .25 | ₪ 0.25 | |||||||||||
| Authorized share capital | ₪ | ₪ 105,000 | ₪ 10,000 | |||||||||||
| Increased authorized share capital | ₪ | ₪ 125,000 | ₪ 20,000 | |||||||||||
| Number of shares authorized | 500,000,000 | 80,000,000 | |||||||||||
| ADS [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Ordinary shares | 400,000 | ||||||||||||
| Ordinary shares issued | 18,500 | 200,000 | |||||||||||
| ADS [Member] | January 2019 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Sold an aggregate shares | 149,206 | ||||||||||||
| Ordinary shares | 4,476,192 | ||||||||||||
| Warrants to purchase additional shares | 149,206 | ||||||||||||
| Description of warrants exercised | The Company also issued unregistered placement agent warrants to purchase an aggregate of 16,410 ADSs representing 492,308 ordinary shares on the same terms as the warrants except they have a term of five years. | ||||||||||||
| ADS [Member] | May 2019 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Sold an aggregate shares | 1,500,000 | ||||||||||||
| Ordinary shares | 45,000,000 | ||||||||||||
| Warrants to purchase additional shares | 1,500,000 | ||||||||||||
| Description of warrants exercised | The Company also issued unregistered placement agent warrants to purchase an aggregate of 75,000 ADSs representing 2,250,000 ordinary shares on the same terms as the warrants except they have a term of five years. | ||||||||||||
| ADS [Member] | Private Placement and Accredited Investors [Member] | January 2017 Financing [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Sold an aggregate shares | 3,333,336 | ||||||||||||
| Ordinary shares | 6,666,672 | ||||||||||||
| Warrants to purchase additional shares | 2,500,002 | ||||||||||||
| Description of warrants exercised | The warrants may be exercised after 6 months from the date of issuance for a period of five and a half years and have an exercise price of USD 2.00 per ADS (subject to certain adjustments). The Company also issued placement agent warrants to purchase 166,667 ADSs representing 333,334 ordinary shares exercisable at USD 2.00 per ADS, subject to certain adjustments, for a period of five years. | ||||||||||||
| ADS [Member] | Ordinary Shares [Member] | |||||||||||||
| Statement Line Items [Line Items] | |||||||||||||
| Ordinary shares | 37,000 | ||||||||||||