| Document and Entity Information | Nov. 15, 2021 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 15, 2021 |
| Entity File Number | 001-40785 |
| Entity Registrant Name | Assure Holdings Corp. |
| Entity Incorporation, State or Country Code | NV |
| Entity Tax Identification Number | 82-2726719 |
| Entity Address, Address Line One | 4600 South Ulster Street, Suite 1225 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80237 |
| City Area Code | 720 |
| Local Phone Number | 287-3093 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | IONM |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001798270 |
| Amendment Flag | false |
