Document And Entity Information	3 Months Ended
	Mar. 31, 2015	May 04, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Entity Registrant Name	AXION INTERNATIONAL HOLDINGS, INC.
Entity Central Index Key	0000753048
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	AXIH
Entity Common Stock, Shares Outstanding		74,065,254