Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income tax Benefit from Continuing and Discontinuing Operations

	2018			2017			2016
Income tax provision (benefit) from continuing operations	$	5,437		$	(33,761	)	$	(177	)
Income tax benefit from discontinued operations		(6,162	)		(10,052	)		(5,615	)
Income tax benefit	$	(725	)	$	(43,813	)	$	(5,792	)

Income (Loss) from Continuing Operations before Income Tax from Domestic and Foreign Operations

	2018			2017			2016
Domestic operations	$	26,878		$	(12,263	)	$	12,039
Foreign operations		(10,425	)		(36,866	)		(11,674	)
Total income (loss) from continuing operations before income tax	$	16,453		$	(49,129	)	$	365

Provision (Benefit) For Income Taxes

	2018		2017			2016
Federal:
Current	$	—	$	(248	)	$	260
Deferred		3,702		(31,957	)		(129	)
State:
Current		48		29			54
Deferred		1,687		(1,598	)		(508	)
Foreign:
Current		—		13			146
Deferred		—		—			—
Total	$	5,437	$	(33,761	)	$	(177	)

Income Tax Benefit Reconciliation

	2018			2017			2016
Tax provision (benefit) at statutory U.S. federal income tax rate	$	3,455		$	(17,194	)	$	128
State income tax — net of federal income tax benefit		937			(1,746	)		(227	)
Impact of Tax Cuts and Job Act		—			(15,720	)		—
Change in state law regarding NOL carryforwards		658			—			—
Nondeductible officer compensation		201			—			—
Change in deferred state tax rate		—			—			(1,043	)
Research and development tax credits		(218	)		(170	)		(253	)
Changes in unrecognized tax benefits		14			10			10
Changes in valuation allowance		116			1,152			821
Other		274			(93	)		387
Income tax provision (benefit)	$	5,437		$	(33,761	)	$	(177	)

Reconciliation of Unrecognized Tax Benefits

	2018		2017		2016
Unrecognized tax benefits — January 1	$	157	$	157	$	157
Gross increases — tax positions in prior period		—		—		—
Gross increases — current period tax positions		—		—		—
Gross decreases — expirations		—		—		—
Gross decreases — tax positions in prior period		—		—		—
Unrecognized tax benefits — December 31,	$	157	$	157	$	157

Deferred Tax Assets (Liabilities)

	2018			2017
Deferred tax assets:
Accrued liabilities	$	9,287		$	8,119
Federal NOLs		35,417			43,654
Foreign NOLs		2,338			1,962
State NOLs		10,796			12,382
Tax credit carryforwards		2,159			1,941
Charitable contribution		910			1,340
Valuation allowance		(4,786	)		(4,294	)
Total deferred tax assets		56,121			65,104
Deferred tax liabilities:
Depreciation and amortization		(78,967	)		(89,966	)
Other liabilities		—			(699	)
Total deferred tax liabilities		(78,967	)		(90,665	)
Net noncurrent deferred tax liabilities	$	(22,846	)	$	(25,561	)