Income Taxes (Tables)

12 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

Schedule of Income Taxes from Continuing Operations

Income taxes from continuing operations in the accompanying consolidated statements of operations for the fiscal years ended September 30 are as follows (in thousands):

	2013			2012			2011
Current provision:
Federal	$	6,048		$	6,615		$	6,011
State and foreign		225			290			765
Total current provision		6,273			6,905			6,776
Deferred (benefit) provision :
Federal		(552	)		(835	)		(652	)
State		60			107			(520	)
Total deferred benefit		(492	)		(728	)		(1,172	)
Total provision	$	5,781		$	6,177		$	5,604

Schedule of Reconciliation Difference of Income Taxes

The reconciliation of the difference between amounts calculated at the statutory U.S. federal tax rate of 35% for the fiscal years ended September 30 and the Company’s effective tax rate from continuing operations is as follows (in thousands):

	2013			2012			2011
Amount at statutory U.S. federal income tax rate	$	7,126		$	5,707		$	5,785
Change because of the following items:
State income taxes, net of federal benefit		278			236			412
Stock-based compensation		25			36			(7	)
Valuation allowance change		(699	)		303			21
Tax reserve release		(128	)		(77	)		(314	)
Federal manufacturing deduction		(266	)		(220	)		(143	)
Federal research and development credit		(324	)		—			(53	)
Other		(231	)		192			(97	)
Income tax provision	$	5,781		$	6,177		$	5,604

Schedule of Deferred Income Taxes

The components of deferred income taxes consisted of the following as of September 30 and result from differences in the recognition of transactions for income tax and financial reporting purposes (in thousands):

	2013			2012
Depreciable assets	$	1,271		$	1,146
Deferred revenue		74			85
Accruals and reserves		353			362
Stock-based compensation		4,220			3,883
Impaired strategic investments		3,253			6,455
Unrealized gains on investments		(29	)		(131	)
Capital loss carryforward		1,962			—
Other		733			755
Valuation allowance		(5,293	)		(6,530	)
Total deferred tax assets		6,544			6,025
Less current deferred tax assets		(506	)		(219	)
Noncurrent deferred tax assets	$	6,038		$	5,806

Summary of Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):

	2013			2012			2011
Beginning of fiscal year	$	1,435		$	1,564		$	1,948
Increases in tax positions for prior years		27			5			3
Decreases in tax positions for prior years		(278	)		(3	)		(85	)
Increases in tax positions for current year		122			72			55
Settlements with taxing authorities		—			—			(53	)
Lapse of the statute of limitations		(6	)		(203	)		(304	)
End of fiscal year	$	1,300		$	1,435		$	1,564