XML 13 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2025
May 06, 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 001-40592  
Entity Registrant Name Rapid Micro Biosystems, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-8121647  
Entity Address, Address Line One 25 Hartwell Avenue  
Entity Address, City or Town Lexington  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02421  
City Area Code 978  
Local Phone Number 349-3200  
Title of 12(b) Security Class A common stock, $0.01 par value per share  
Trading Symbol RPID  
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 Central Index Key 0001380106  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Class A Common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   39,332,172
Class B Common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   4,499,529