DOCUMENT AND ENTITY INFORMATION	9 Months Ended
	Jun. 30, 2011	Aug. 15, 2011
Entity Registrant Name	DYNASIL CORP OF AMERICA
Entity Central Index Key	0000030831
Current Fiscal Year End Date	--09-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	dysl
Entity Common Stock, Shares Outstanding		15,581,252
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2011