v3.26.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 10, 2026
Jun. 30, 2025
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-38546    
Entity Registrant Name NEURONETICS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-1051425    
Entity Address, Address Line One 3222 Phoenixville Pike    
Entity Address, City or Town Malvern    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 19355    
City Area Code 877    
Local Phone Number 600-7555    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol STIM    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 129.3
Entity Common Stock, Shares Outstanding   69,276,593  
Documents Incorporated by Reference

Portions of the Registrant’s Definitive Proxy Statement relating to the 2026 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the Registrant’s fiscal year ended December 31, 2025, are incorporated by reference into Part III of this Report.

    
Auditor Firm ID 185    
Auditor Name KPMG LLP    
Auditor Location Philadelphia, Pennsylvania    
Entity Central Index Key 0001227636    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false