Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Sep. 30, 2021
Nov. 15, 2021
Document Information Line Items    
Entity Registrant Name BRAIN SCIENTIFIC INC.  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   50,206,823
Amendment Flag false  
Entity Central Index Key 0001662382  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Sep. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company false  
Entity Ex Transition Period true  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 333-209325  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 81-0876714  
Entity Address, Address Line One 125 Wilbur Place,  
Entity Address, Address Line Two Suite 170  
Entity Address, City or Town Bohemia  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11716  
City Area Code (917)  
Local Phone Number 388-1578  
Entity Interactive Data Current Yes