Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2021
Jul. 31, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q2  
Trading Symbol SSTI  
Entity Registrant Name ShotSpotter, Inc.  
Entity Central Index Key 0001351636  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity File Number 001-38107  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-0949915  
Entity Address, Address Line One 7979 Gateway Blvd.  
Entity Address, Address Line Two Suite 210  
Entity Address, City or Town Newark  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94560  
City Area Code 510  
Local Phone Number 794-3100  
Entity Current Reporting Status Yes  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company false  
Entity Ex Transition Period true  
Entity Common Stock, Shares Outstanding   11,678,163
Entity Interactive Data Current Yes  
Title of 12(b) Security Common stock, par value $0.005 per share  
Security Exchange Name NASDAQ  
Document Quarterly Report true  
Document Transition Report false