v3.25.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Mar. 28, 2025
Jun. 28, 2024
Document Type 10-K/A    
Amendment Flag true    
Amendment Description The purpose of this Amendment No. 1 (the “Amendment”) to the Annual Report on Form 10-K of NeuroMetrix, Inc. for the fiscal year ended December 31, 2024, as filed with the Securities and Exchange Commission (the “SEC”) on March 31, 2025 (the “Original Form 10-K”), is to include the disclosure required in Part III, Items 10, 11, 12, 13 and 14. Except for Items 10, 11, 12, 13 and 14 of Part III and Item 15 of Part IV, no other information included in the Original Form 10-K is amended or changed by this Amendment. The Original Form 10-K continues to speak as of the date of its filing, and we have not updated the disclosures contained therein to reflect any events which occurred at a date subsequent to the filing of the Original Form 10-K. Accordingly, this Amendment should be read in conjunction with our filings with the SEC subsequent to the date of the Original Form 10-K.    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2024    
Current Fiscal Year End Date --12-31    
Entity File Number 001-33351    
Entity Registrant Name NEUROMETRIX, INC.    
Entity Central Index Key 0001289850    
Entity Tax Identification Number 04-3308180    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 4B Gill Street    
Entity Address, City or Town Woburn    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 01801    
City Area Code (781)    
Local Phone Number 890-9989    
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    
Entity Shell Company false    
Entity Public Float     $ 6.9
Entity Common Stock, Shares Outstanding   2,059,693  
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Common Stock 0.0001 Par Value Per Share [Member]      
Title of 12(b) Security Common Stock, $0.0001 par value per share    
No Trading Symbol Flag true    
Security Exchange Name NASDAQ    
Preferred Stock Purchase Rights [Member]      
Title of 12(b) Security Preferred Stock Purchase Rights    
No Trading Symbol Flag true    
Security Exchange Name NASDAQ