v3.19.1
Document And Entity Information - shares
3 Months Ended
Mar. 31, 2019
Apr. 29, 2019
Document And Entity Information [Abstract]    
Entity Registrant Name Pulse Biosciences, Inc.  
Entity Filer Category Accelerated Filer  
Entity Central Index Key 0001625101  
Trading Symbol plse  
Amendment Flag false  
Document Type 10-Q  
Document Fiscal Period Focus Q1  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Current Fiscal Year End Date --12-31  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   20,710,406