Income Taxes (Tables)

12 Months Ended

Sep. 30, 2012

Income Taxes [Abstract]

Provision for income taxes

	Years Ended September 30,
	2012		2011
Current tax benefit	$	—	$	(29	)
Deferred income tax expense		240		240
Provision for income taxes	$	240	$	211

Reconciliation of income tax expense (benefit)

	Years Ended September 30,
	2012			2011
Income tax expense (benefit) at U.S. statutory rate of 34%	$	135		$	(11	)
Federal income tax refundable research credit		—			(29	)
State income tax expense (benefit)		105			(2	)
Permanent differences, net		93			158
Adjustment of temporary differences to income tax returns		264			212
Change in valuation allowance		(357	)		(117	)
Income tax expense	$	240		$	211

Significant components of the deferred tax accounts

	September 30,
	2012			2011
Deferred tax assets:
Net operating loss and other carryforwards	$	34,352		$	34,444
Common stock warrants		519			460
Allowance for doubtful accounts		33			35
Other		175			249
Total deferred tax assets		35,079			35,188
Valuation allowance		(35,079	)		(35,188	)
Goodwill amortization		(1,970	)		(1,730	)
Deferred tax liability for goodwill amortization	$	(1,970	)	$	(1,730	)