Share-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2012

Share-Based Compensation [Abstract]

Stock Option Activity

	Number of Shares			Weighted Average Exercise Price
Outstanding October 1, 2011		4,181,339		$	2.40
Granted		1,187,500		$	1.33
Canceled/expired		(1,854,500	)	$	3.69
Outstanding June 30, 2012		3,514,339		$	1.37
Exercisable June 30, 2012		2,542,197		$	1.32

Share-Based Compensation

	Three months ended June 30, 2012				Nine months ended June 30, 2012
	2012		2011		2012		2011
Cost of revenue	$	6,070	$	5,992	$	19,195	$	19,144
Selling, general and administrative		174,873		76,029		411,075		241,046
Research and development		18,366		14,296		46,509		46,797
Total	$	199,309	$	96,317	$	476,779	$	306,987

Weighted-average estimated fair value of employee stock options granted

	Nine months ended June 30,
	2012			2011
Volatility		81.0% - 82.0	%		89.0% - 93.0	%
Risk-free interest rate		0.76% - 1.10	%		0.99% - 1.77	%
Forfeiture rate		10.0	%		10.0	%
Dividend yield		0.0	%		0.0	%
Expected life in years		5.4 - 6.4			3.4 - 4.0
Weighted average fair value of options granted during the year	$	0.88		$	1.61