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DOCUMENT AND ENTITY INFORMATION
9 Months Ended
Jun. 30, 2012
Aug. 08, 2012
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   14,789,152
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2012  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2012