v3.26.1
Document and Entity Information - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 20, 2026
Jun. 30, 2025
Document and Entity Information [Abstract]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-36792    
Entity Registrant Name CYTOSORBENTS CORPORATION    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 98-0373793    
Entity Address, Address Line One 305 College Road East    
Entity Address, City or Town Princeton    
Entity Address State Or Province NJ    
Entity Address, Postal Zip Code 08540    
City Area Code 732    
Local Phone Number 329-8885    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol CTSO    
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 true    
Document Financial Statement Error Correction [Flag] true    
Document Financial Statement Restatement Recovery Analysis [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 60.6
Entity Common Stock, Shares Outstanding   62.7  
Entity Central Index Key 0001175151    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag true    
Amendment Description Amendment No. 1