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Commitments and Contingent Liabilities (Details) € in Thousands, ₪ in Thousands, $ in Thousands | 1 Months Ended | 6 Months Ended | 12 Months Ended
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May 31, 2020 USD ($) | May 31, 2020 ILS (₪) | Jun. 30, 2015 EUR (€) | Nov. 30, 2021 EUR (€) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 ILS (₪) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Decsription of occurrence for payments |  |  |  |  |  |  | upon the occurrence of either (i) closing of a public offering of the ordinary shares of Chemomab; or (ii) a Change of Control Transaction, Chemomab shall pay the Fund a cash payment equal to one percent (1%) of the proceeds raised by Chemomab in its initial public offering, or 1% of the consideration received by Chemomab or its shareholders at the closing of a Change of Control Transaction (after deduction of amounts paid as liquidation preference to the shareholders of Chemomab on account of their investment in Chemomab , if any), but in any event not more than USD 3,000 thousand. |
Maximum percentage of payments of royalties (as a percent) |  |  |  |  |  |  | 100.00% |
Cumulative amounts of grants received |  |  |  |  |  |  | $ 1,227 |
Royality expenses |  |  |  |  |  |  | 2,590 | $ 1,177
Bank restricted deposit |  |  |  |  |  |  | $ 55 |
Euro [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Payment for licensed agreement | € |  |  | € 1,200 | € 5,831 |  |  |  |
Payment on commencement of agreement | € |  |  | € 600 |  |  |  |  |
New Drug Application and Biological License Application [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Description of application payment for licensed product |  |  |  |  |  |  | USD 100 thousand upon submission of a New Drug Application (“NDA”), Biological License Application (“BLA”) or equivalent for each Licensed Product to the United States Food and Drug Administration (“FDA”), USD 100 thousand upon submission of similar application for each Licensed Product to an equivalent foreign regulatory agency in Europe and one hundred thousand dollars upon submission of similar application for each Licensed Product to an equivalent foreign regulatory agency in Asia. Payment in the aggregate shall not be more than USD 300 thousand per each Licensed Product, provided that for each jurisdiction, payment shall be made only once; |
Royalty payments on sale of product (as a percent) |  |  |  |  |  |  | 3.00% |
FDA or equivalent agency marketing approval [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Description of application payment for licensed product |  |  |  |  |  |  | USD 200 thousand upon the grant of FDA or equivalent agency marketing approval in Europe and/or Asia for each Licensed Product. Payment in the aggregate shall not be more than USD 600 thousand per each Licensed Product, provided that for each jurisdiction, payment shall be made only once. |
2020 Lien [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Lien on bank deposit | $ 49 |  |  |  |  |  |  |
2020 Lien [Member] | Forecast [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Lien on bank deposit |  |  |  |  | $ 86 |  |  |
2020 Lien [Member] | ILS [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Lien on bank deposit | ₪ |  | ₪ 170 |  |  |  |  |  |
2020 Lien [Member] | ILS [Member] | Forecast [Member] |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |
Lien on bank deposit | ₪ |  |  |  |  |  | ₪ 269 |  |

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