XML 12 R1.htm IDEA: XBRL DOCUMENT v3.24.3
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2024
Nov. 07, 2024
Document and Entity Information    
Document Type 10-Q  
Document Period End Date Sep. 30, 2024  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-38445  
Entity Registrant Name HELIUS MEDICAL TECHNOLOGIES, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 36-4787690  
Entity Address, Address Line One 642 Newtown Yardley Road, Suite 100  
Entity Address, City or Town Newtown  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 18940  
City Area Code 215  
Local Phone Number 944-6100  
Title of 12(b) Security Class A Common Stock, $0.001 par value per share  
Trading Symbol HSDT  
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 false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   3,728,172
Entity Central Index Key 0001610853  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Amendment Flag false