DOCUMENT AND ENTITY INFORMATION	6 Months Ended
	Mar. 31, 2013	May 07, 2013
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		15,034,535
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2013