Document And Entity Information - shares	6 Months Ended
	Feb. 28, 2015	Aug. 31, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Feb. 28, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Entity Registrant Name	DYNACQ HEALTHCARE INC
Entity Central Index Key	0000890908
Current Fiscal Year End Date	--08-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	DYII
Entity Common Stock, Shares Outstanding		13,460,124