Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2012

Stock-based Compensation [Abstract]

Schedule of stock-based compensation expenses

The Company’s stock-based compensation expenses were allocated to the following expense categories (in thousands):

	Three months ended June 30,				Nine months ended June 30,
	2012		2011		2012		2011
Product costs	$	5	$	18	$	31	$	59
Research and development		71		271		453		865
Selling, general and administrative		580		589		1,705		1,867
Total	$	656	$	878	$	2,189	$	2,791

Schedule of stock option plans

	Three months ended June 30,					Nine months ended June 30,
	2012			2011		2012			2011
Risk-free interest rates		0.7	%		N/A		0.8	%		1.5	%
Expected life (years)		4.8			N/A		4.8			4.8
Expected volatility		48.6	%		N/A		49.6	%		45.0	%
Dividend yield		0	%		N/A		0	%		0	%