Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 08, 2024	Jun. 30, 2023
Document And Entity Information
Document Type	10-K
Document Period End Date	Dec. 31, 2023
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-14778
Entity Registrant Name	SOLIGENIX, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	41-1505029
Entity Address, Address Line One	29 EMMONS DRIVE
Entity Address, Address Line Two	SUITE B-10
Entity Address, City or Town	PRINCETON
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08540
City Area Code	609
Local Phone Number	538-8200
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	SNGX
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Entity Small Business	true
Entity Emerging Growth Company	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		10,524,437
Entity Central Index Key	0000812796
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Public Float			$ 6,846,887
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Auditor Name	Cherry Bekaert LLP
Auditor Firm ID	274
Auditor Location	Tampa, Florida