Document and Entity Information	3 Months Ended
	May 03, 2014	May 02, 2014
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 03, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Trading Symbol	DXLG
Entity Registrant Name	DESTINATION XL GROUP, INC.
Entity Central Index Key	0000813298
Current Fiscal Year End Date	--01-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		50,542,399