Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2024	Aug. 01, 2024
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-36020
Entity Registrant Name	Traws Pharma, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-3627252
Entity Address, Address Line One	12 Penns Trail
Entity Address, City or Town	Newtown
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	18940
City Area Code	267
Local Phone Number	759-3680
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		25,306,509
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	TRAW
Security Exchange Name	NASDAQ
Entity Central Index Key	0001130598
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Amendment Flag	false