Equity	9 Months Ended
Jun. 30, 2011
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments Disclosure [Text Block]	Note 8 - Equity On December 21, 2010, Dynasil issued an aggregate of 2,102,400 shares of its Common Stock, $.0005 par value per share, as a result of the mandatory conversion on that date of 5,256,000 shares of its Series C 10% Cumulative Convertible Preferred Stock (the "Series C Preferred Shares") at a conversion price of $2.50 per share. Dynasil had previously given notice of the mandatory conversion of all of the Series C Preferred Shares on October 22, 2010. 100% of the Series C preferred stock was converted to common stock which eliminates dividend payments of $525,600 on an annual basis. The Company’s convertible preferred stock, when issued, was convertible to common stock at or above the then-current market price of the Company’s common stock and therefore, contained no beneficial conversion feature. Dividends on the Series C Preferred Shares were payable quarterly in cash or common stock at the election of the stockholder. There is currently no outstanding preferred stock.

Equity

9 Months Ended

Jun. 30, 2011

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments Disclosure [Text Block]

Note 8 - Equity

On December 21, 2010, Dynasil issued an aggregate of 2,102,400 shares of its Common Stock, $.0005 par value per share, as a result of the mandatory conversion on that date of 5,256,000 shares of its Series C 10% Cumulative Convertible Preferred Stock (the "Series C Preferred Shares") at a conversion price of $2.50 per share. Dynasil had previously given notice of the mandatory conversion of all of the Series C Preferred Shares on October 22, 2010. 100% of the Series C preferred stock was converted to common stock which eliminates dividend payments of $525,600 on an annual basis. The Company’s convertible preferred stock, when issued, was convertible to common stock at or above the then-current market price of the Company’s common stock and therefore, contained no beneficial conversion feature. Dividends on the Series C Preferred Shares were payable quarterly in cash or common stock at the election of the stockholder. There is currently no outstanding preferred stock.