Cover - USD ($)	12 Months Ended
	Dec. 31, 2024	Mar. 21, 2025	Jun. 30, 2024
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Document Period End Date	Dec. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Documents Incorporated by Reference [Text Block]	Portions of the registrant’s definitive Proxy Statement to be filed in connection with the 2025 Annual Meeting of Stockholders are incorporated by reference into Part III hereof.
Entity Information [Line Items]
Entity Registrant Name	IMMUCELL CORP /DE/
Entity Central Index Key	0000811641
Entity File Number	001-12934
Entity Tax Identification Number	01-0382980
Entity Incorporation, State or Country Code	DE
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Public Float			$ 30,634,000
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	56 Evergreen Drive
Entity Address, City or Town	Portland
Entity Address, State or Province	ME
Entity Address, Postal Zip Code	04103
Entity Phone Fax Numbers [Line Items]
City Area Code	(207)
Local Phone Number	878-2770
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.10 par value per share
Trading Symbol	ICCC
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		8,982,623