Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
May 14, 2019
Document And Entity Information    
Entity Registrant Name Microbot Medical Inc.  
Entity Central Index Key 0000883975  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business Flag true  
Entity Emerging Growth Company false  
Entity Ex Transition Period false  
Entity Common Stock, Shares Outstanding   4,307,666
Trading Symbol MBOT  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2019