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v3.22.1

General (Details) | Mar. 16, 2021 shares | Dec. 14, 2020
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Restructuring Cost and Reserve [Line Items] |  |
Reverse stock split conversion ratio | 4 |
Merger agreement with Chemomab, an Israeli limited company and a clinical-stage biotech company [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Number of ordinary shares represented by each ADS (in shares) | 20 |
Number of ADS issued and outstanding after the merger | 12.86 |
Merger agreement with Chemomab, an Israeli limited company and a clinical-stage biotech company [Member] | Former Chemomab Security Holders [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Shareholding percentage immediately following the merger |  | 90.00%
Merger agreement with Chemomab, an Israeli limited company and a clinical-stage biotech company [Member] | Security holders of Anchiano as of immediately prior to the merger [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Shareholding percentage immediately following the merger |  | 10.00%

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