| Cover | Sep. 26, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 26, 2020 |
| Entity File Number | 001-38416 |
| Entity Registrant Name | ORGENESIS INC. |
| Entity Central Index Key | 0001460602 |
| Entity Tax Identification Number | 98-0583166 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 20271 Goldenrod Lane |
| Entity Address, City or Town | Germantown |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 20876 |
| City Area Code | (480) |
| Local Phone Number | 659-6404 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | ORGS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
