Document and Entity Information	6 Months Ended
	Mar. 31, 2016 shares
Document and Entity Information
Entity Registrant Name	DLH Holdings Corp.
Entity Central Index Key	0000785557
Document Type	10-Q
Document Period End Date	Mar. 31, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding	9,716,929