CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Common Stock Issued	Paid-in capital	Treasury Stock	Accumulated other comprehensive (loss) income	Accumulated deficit	Total
Balance at Sep. 30, 2009	$ 207	$ 191,823	$ (20,271)	$ 0	$ (79,170)	$ 92,589
Balance (in shares) at Sep. 30, 2009	20,687,000		(2,449,000)
Net loss	0	0	0	0	(6,193)	(6,193)
Exercise of stock options	0	82	0	0	0	82
Exercise of stock options (in shares)	19,000		0
Share-based payment	0	1,508	0	0	0	1,508
Repurchase of common stock	0	0	(749)	0	0	(749)
Repurchase of common stock (in shares)	0		(87,000)
Unrealized income (loss) on investments	0	0	0		0	(1)
Balance at Sep. 30, 2010	207	193,413	(21,020)	(1)	(85,363)	87,236
Balance (in shares) at Sep. 30, 2010	20,706,000		(2,536,000)
Net loss	0	0	0	0	(7,213)	(7,213)
Exercise of stock options	1	481	0	0	0	482
Exercise of stock options (in shares)	111,000		0
Share-based payment	0	(370)	0	0	0	(370)
Repurchase of common stock	0	0	(10,363)	0	0	(10,363)
Repurchase of common stock (in shares)	0		(1,639,000)			(1,639,344)
Unrealized income (loss) on investments	0	0	0		0	1
Balance at Sep. 30, 2011	208	193,524	(31,383)	0	(92,576)	69,773
Balance (in shares) at Sep. 30, 2011	20,817,000		(4,175,000)
Net loss	0	0	0	0	(5,980)	(5,980)
Exercise of stock options	0	0	0	0	0	0
Exercise of stock options (in shares)	0		0
Share-based payment	0	1,394	0	0	0	1,394
Repurchase of common stock	0	0	0	0	0	0
Repurchase of common stock (in shares)	0		0
Unrealized income (loss) on investments	0	0	0	0	0	0
Balance at Sep. 30, 2012	$ 208	$ 194,918	$ (31,383)	$ 0	$ (98,556)	$ 65,187
Balance (in shares) at Sep. 30, 2012	20,817,000		(4,175,000)