Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Nov. 08, 2021
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 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
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	IONM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		11,839,304
Entity Central Index Key	0001798270
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false