Document And Entity Information	3 Months Ended
	Mar. 31, 2014	May 05, 2014
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Trading Symbol	BPTH
Entity Common Stock, Shares Outstanding		89,237,872
Entity Registrant Name	BIO-PATH HOLDINGS INC
Entity Central Index Key	0001133818
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company