INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Components of consolidated loss before income taxes

The following table summarizes the U.S. and foreign components of consolidated loss before income taxes (in thousands):

	Year Ended December 31,
	2014			2013			2012
Loss Before Income Taxes:
U.S.	$	(1,992	)	$	(11,240	)	$	(36,248	)
Foreign	(1,606		)	(3,926		)	(10,301		)
Loss before income taxes	$	(3,598	)	$	(15,166	)	$	(46,549	)

Provision (benefit) for income taxes

The provision (benefit) for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2014			2013			2012
Provision (Benefit) For Income Taxes:
Current:
Federal	$	(151	)	$	—		$	(28	)
State	(91		)	(383		)	568
Foreign	1,663			2,652			1,104
Subtotal	1,421			2,269			1,644
Deferred:
Federal	$	—		(268		)	$	(35,329	)
State	—			(21		)	(1,811		)
Foreign	(1,185		)	(819		)	(357		)
Subtotal	(1,185		)	(1,108		)	(37,497		)
Income tax provision (benefit)	$	236		$	1,161		$	(35,853	)

Difference between the provision (benefit) for income taxes and the amount computed by federal statutory income tax rate

The difference between the provision (benefit) for income taxes and the amount computed by applying the federal statutory income tax rate (35%) to loss before taxes from continuing operations is explained as follows (in thousands):

	Year Ended December 31,
	2014			2013			2012
Tax at federal statutory rate	$	(1,259	)	$	(5,308	)	$	(16,292	)
State taxes, net	(1,285		)	(1,289		)	(1,136		)
Non-deductible stock compensation	980			327			3,470
Non-deductible acquisition costs	—			—			410
Foreign rate differential	1,567			3,245			4,353
Research credits	(548		)	(930		)	—
Change in valuation allowance	556			4,961			(26,795		)
Other	225			155			137
Income tax (benefit) provision	$	236		$	1,161		$	(35,853	)

Significant components of the deferred tax assets and liabilities

:

	December 31,
	2014			2013
Deferred tax assets:
Net operating loss carryforwards	$	61,308		$	65,830
Tax credit carryforwards	56,575			54,887
Deferred revenue	1,849			1,434
Capitalized research and development costs	245			315
Intangibles	17,474			19,254
Share-based compensation	4,371			5,232
Accrued compensation	4,625			3,441
Accrued warranty	347			612
Inventory reserves	7,224			6,835
Reserves and other	7,178			11,150
Depreciation and amortization	6,080			5,958
Other, net	9,463			7,518
Total deferred tax assets	176,739			182,466
Valuation allowance for deferred tax assets	(137,957		)	(135,697		)
Net deferred tax assets	38,782			46,769
Net deferred tax liabilities:
Acquired intangible assets	(33,735		)	(39,836		)
Acquired tangible assets	(78		)	(1,993		)
Cancellation of debt	(7,701		)	(9,654		)
Foreign earnings	(2,734		)	(2,923		)
Other, net	(1,471		)	(1,378		)
Total deferred tax liabilities	(45,719		)	(55,784		)
Net deferred tax liabilities	$	(6,937	)	$	(9,015	)

Unrecognized tax benefits

The following table presents the Company's total amount of gross unrecognized tax benefits (in thousands):

	2014			2013
Unrecognized tax benefits, beginning of year	$	22,372		$	20,413
Gross increases - tax positions in prior period	1,025			2,003
Gross decreases - tax positions in prior period	(1,808		)	(5		)
Gross increases - current period tax positions	778			718
Lapse in statute of limitations	(453		)	(757		)
Unrecognized tax benefits, end of year	$	21,914		$	22,372