Income Taxes (Tables)

12 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Components of Income Before Income Taxes and Income Tax Expense (Benefit)

The components of income (loss) before income taxes and income tax expense (benefit) were as follows:

	Year Ended June 30,
	2013			2012			2011
(Loss) income before income taxes:
United States	$	(23,639	)	$	31,277		$	26,007
Foreign	477			494			495
	$	(23,162	)	$	31,771		$	26,502
Tax (benefit) provision:
Federal:
Current	$	(427	)	$	10,591		$	4,974
Deferred	(9,376		)	(2,582		)	1,992
	$	(9,803	)	$	8,009		$	6,966
State:
Current	$	192		$	1,401		$	855
Deferred	(707		)	(335		)	48
	$	(515	)	$	1,066		$	903
Foreign:
Current	$	364		$	77		$	161
Deferred	—			—			30
	$	364		$	77		$	191
	$	(9,954	)	$	9,152		$	8,060

Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate from Continuing Operations

The following is the reconciliation between the statutory federal income tax rate and the Company’s effective income tax (benefit) rate:

	Year Ended June 30,
	2013		2012		2011
Tax (benefit) provision at federal statutory rates	(35.0	)%	35.0	%	35.0	%
State income tax, net of federal tax benefit	(1.8	)	2.6		2.2
Research and development credits	(13.2	)	(4.2	)	(6.9	)
Domestic manufacturing deduction	—		(3.0	)	(2.6	)
Equity compensation	1.8		1.0		1.6
Change in the fair value of the liability related to the LNX earn-out	—		(5.4	)	—
Acquisition costs	0.5		1.3		0.6
Valuation allowance	2.6		2.2		1.7
Other	2.0		(0.7	)	(1.3	)
	(43.1	)%	28.8	%	30.3	%

Components of Net Deferred Tax Assets (Liabilities)

The components of the Company’s net deferred tax assets (liabilities) were as follows:

	June 30,
	2013			2012
Deferred tax assets:
Inventory valuation and receivable allowances	$	8,805		$	4,788
Accrued compensation	1,197			1,367
Equity compensation	6,290			6,036
Federal and state research and development tax credit carryforwards	9,746			8,569
Gain on sale-leaseback	1,676			2,116
Other accruals	1,087			919
Other temporary differences	3,038			1,333
	31,839			25,128
Valuation allowance	(9,032		)	(8,682		)
Total deferred tax assets	22,807			16,446
Deferred tax liabilities:
Deferred revenue	(1,745		)	(3,488		)
Property and equipment	(3,122		)	(3,995		)
Acquired intangible assets	(12,342		)	(8,507		)
Other temporary differences	(1,647		)	—
Total deferred tax liabilities	(18,856		)	(15,990		)
Net deferred tax assets	$	3,951		$	456

Summary of Reserves for Unrecognized Income Tax Benefits

The changes in the Company’s reserves for unrecognized income tax benefits are summarized as follows:

	Year Ended June 30,
	2013		2012
Unrecognized tax benefits, beginning of period	$	2,642	$	1,831
Increases for previously recognized positions	140		716
Settlements of previously recognized positions	—		—
Decreases for previously recognized positions	—		(84		)
Increases for currently recognized positions	141		179
Unrecognized tax benefits, end of period	$	2,923	$	2,642