v3.26.3
Document and Entity Information
Sep. 16, 2026
Document And Entity Information [Line Items]  
Entity Registrant Name Alaunos Therapeutics, Inc.
Amendment Flag false
Entity Central Index Key 0001107421
Document Type 8-K
Document Period End Date Sep. 16, 2026
Entity Incorporation State Country Code DE
Entity File Number 001-33038
Entity Tax Identification Number 84-1475642
Entity Address Address Line 1 501 E. Las Olas Blvd.
Entity Address Address Line 2 Suite 300
Entity Address City Or Town Fort Lauderdale
Entity Address State Or Province FL
Entity Address Postal Zip Code 33301
City Area Code 346
Local Phone Number 355-4099
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.001 per share
Trading Symbol TCRT
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Current Fiscal Year End Date --12-31