Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of income tax Benefit (provisions) from continuing operations

Income tax provisions from continuing operations consisted of the following:

	Year Ended December 31,
	2016			2015			2014
	(In thousands)
Income (loss) from continuing operations before provisions for income taxes	$	(14,509	)	$	4,449		$	6,319
Provision for income taxes from continuing operations	(25,521		)	(1,591		)	(2,196		)
Effective tax rate	(175.9		)%	35.8		%	34.8		%

Details of pre-tax book income (loss) from continuing operations

The Company reported pre-tax book income or loss from continuing operations of:

	Year Ended December 31,
	2016			2015			2014
	(In thousands)
Domestic	$	(14,656	)	$	21,160		$	5,867
Foreign	147			(16,711		)	452
Total	$	(14,509	)	$	4,449		$	6,319

Summary of benefit (provision) for income taxes from continuing operations

The benefit or (provisions) for income taxes from continuing operations consisted of the following:

	Year Ended December 31,
	2016			2015			2014
	(In thousands)
Current:
United States federal	$	(1,649	)	$	(1,426	)	$	(218	)
State and local	859			(12		)	(12		)
Foreign	(442		)	(389		)	(75		)
Total current	$	(1,232	)	$	(1,827	)	$	(305	)
Deferred:
United States federal	(24,261		)	585			(2,137		)
State and local	—			—			—
Foreign	(28		)	(349		)	246
Total deferred	(24,289		)	236			(1,891		)
	$	(25,521	)	$	(1,591	)	$	(2,196	)

Details of significant components of net deferred tax assets and liabilities

Significant components of the net deferred tax assets and liabilities consisted of:

	December 31,
	2016			2015
	(In thousands)
Deferred tax assets:
Net operating loss carryforwards	$	15,337		$	6,824
State income taxes	1			1
Deferred revenue	458			2,505
Research and development and other credits	11,418			10,626
Reserves and accruals recognized in different periods	5,397			6,395
Basis difference in investment	969			967
Capitalized R&D expenses	4,569			4,654
Depreciation and amortization	585			523
Deferred rent	306			243
Other	2			14
Total deferred tax assets	39,042			32,752
Valuation allowance	(38,683		)	(8,119		)
Net deferred tax assets	359			24,633
Foreign credits	(33		)	—
Net deferred tax liabilities	(33		)	—
Net deferred taxes	$	326		$	24,633

Reconciliation between benefit (provision) for income taxes at statutory rate and effective tax rate

For purposes of the reconciliation between the provision for income taxes at the statutory rate and the effective tax rate, a national U.S. 35% rate is applied as follows:

	2016		2015		2014
Federal statutory tax rate	35.0	%	35.0	%	35.0	%
Sale of IP rights to foreign subsidiary	(13.8	)%	22.5	%	—	%
Benefit from foreign losses	—	%	7.8	%	—	%
Foreign withholding	(1.2	)%	0.5	%	3.5	%
Stock compensation expense	(6.6	)%	5.8	%	3.8	%
Meals & entertainment	—	%	0.1	%	0.1	%
Foreign rate differential	(1.2	)%	(24.0	)%	(1.1	)%
Prior year true-up items	(0.3	)%	1.7	%	(0.2	)%
Tax reserves	1.8	%	3.9	%	0.8	%
Loss on foreign share transfer	—	%	5.9	%	—	%
Credits	1.6	%	(35.5	)%	(5.7	)%
State Refunds	3.8	%	—	%	—	%
Other	(1.6	)%	3.9	%	(1.4	)%
Valuation allowance	(193.4	)%	8.2	%	—	%
Effective tax rate	(175.9	)%	35.8	%	34.8	%

Details of beginning and ending amount of gross unrecognized tax benefits

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:

	2016			2015			2014
	(In thousands)
Balance at beginning of year	$	6,285		$	1,744		$	1,634
Gross increases for tax positions of prior years	—			141			—
Gross decreases for tax positions of prior years	(22		)	(15		)	(4		)
Gross increases for tax positions of current year	111			4,415			114
Settlements	—			—			—
Lapse of statute of limitations	(142		)	—			—
Balance at end of year	$	6,232		$	6,285		$	1,744