Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2013	Mar. 14, 2014	Jun. 30, 2013
Documentand Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Trading Symbol	ctso
Entity Registrant Name	Cytosorbents Corp
Entity Central Index Key	0001175151
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		298,568,099
Entity Public Float			$ 27,665,000
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes