v3.25.1
Document And Entity Information - shares
3 Months Ended
Mar. 31, 2025
May 09, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 001-36291  
Entity Registrant Name DIAMEDICA THERAPEUTICS INC  
Entity Incorporation, State or Country Code A1  
Entity Address, Address Line One 301 Carlson Parkway, Suite 210  
Entity Address, City or Town Minneapolis  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55305  
City Area Code 763  
Local Phone Number 496-5454  
Title of 12(b) Security Voting common shares, no par value per share  
Trading Symbol DMAC  
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 (in shares)   42,883,465
Entity Central Index Key 0001401040  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false