INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of loss from continuing operations before income taxes and equity in (earnings) of equity-method investment

The loss from continuing operations before income taxes, non-controlling interest and equity in (earnings) of equity-method investment is as follows (in thousands):



	Year Ended December 31,
	2018			2017			2016
United States	$	(64,237	)	$	(46,648	)	$	(120,553	)
Foreign	2,519			421			(3,829		)
Loss from continuing operations before income taxes, non-controlling interest and equity in (earnings) of equity-method investment	$	(61,718	)	$	(46,227	)	$	(124,382	)

Schedule of current and deferred income tax (benefit) provision

The current and deferred income tax benefit is as follows (in thousands):



	Year Ended December 31,
	2018		2017			2016
Current:
Federal	$	—	$	(730	)	$	(15	)
State	118		123			155
Foreign	277		507			61
	395		(100		)	201
Deferred:
Federal	—		—			—
State	—		—			—
Foreign	262		353			329
	262		353			329
Provision for income taxes	$	657	$	253		$	530

Schedule of effective income tax rate reconciliation

A reconciliation of the effect of applying the federal statutory rate and the effective income tax rate on our income tax benefit is as follows:



	Year Ended December 31,
	2018		2017		2016
Federal income tax at statutory rates	(21.0	)%	(34.0	)%	(34.0	)%
Foreign income tax	(0.1	)	0.5		0.7
State income tax	(5.5	)	(5.0	)	(5.0	)
Other permanent differences	1.3		0.4		0.2
Statutory tax rate change	1.2		—		(3.2	)
Statutory tax rate change - Deferred - Tax Reform Act	—		(128.4	)	—
Statutory tax rate change - Valuation Allowance - Tax Reform Act	—		128.4		—
Compensation	—		—		3.0
Goodwill impairment	—		—		25.2
Refundable AMT credit	—		(1.5	)	—
Change in valuation allowance	25.2		40.1		13.5
Effective tax rate	1.1	%	0.5	%	0.4	%

Schedule of deferred tax assets and liabilities

Temporary differences between the financial statement carrying amounts and tax bases of assets and liabilities that give rise to significant portions of deferred taxes related to the following (in thousands):



	December 31,
	2018			2017
Long-term deferred income tax (liabilities) assets:
Property and equipment	$	50,405		$	43,554
Goodwill	1,071			1,392
Intangible assets	(26,534		)	(22,021		)
Deferred revenue, less current portion	1,358			1,834
Restructuring liability, less current portion	696			1,282
Refinance	(4,130		)	(374		)
Deferred rent	285			639
Stock-based compensation	1,450			911
Provision for doubtful accounts	1,360			1,772
U.S. net operating loss carryforwards	99,026			89,117
Foreign net operating loss carryforwards, less current portion	7,631			8,053
Tax credit carryforwards	2,775			2,812
Interest limitation	9,403			—
Impact of adoption of ASC 606	(6,666		)	—
Other	2,408			2,090
Long-term deferred income tax assets	140,538			131,061
Less: valuation allowance	(142,749		)	(132,712		)
Net long-term deferred income tax (liabilities) assets	(2,211		)	(1,651		)

Net deferred tax liabilities	$	2,211		$	1,651

Schedule of summary of changes in deferred tax asset valuation allowance

Changes in our deferred tax asset valuation allowance are summarized as follows (in thousands):



	Year Ended December 31,
	2018		2017			2016
Balance, January 1,	$	132,712	$	164,865		$	148,310
Increase in deferred tax assets	10,037		27,183			16,555
Remeasurement in deferred tax assets	—		(59,336		)	—
Balance, December 31,	$	142,749	$	132,712		$	164,865

Schedule of changes in unrecognized tax benefits

Changes in our unrecognized tax benefits are summarized as follows (in thousands):



	Year Ended December 31,
	2018		2017			2016
Unrecognized tax benefits balance, January 1,	$	162	$	187		$	—
Addition for tax positions taken in a prior year	300		162			187
Deduction for tax positions taken in a prior year	—		(187		)	—
Unrecognized tax benefits balance, December 31,	$	462	$	162		$	187