Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2015
Income Tax Disclosure [Abstract]  
Income (Loss) Before Income Taxes on Continuing Operations
Income (loss) before income taxes on continuing operations consists of the following (in thousands):
 
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Foreign
 
$
334

 
$
31,388

 
$
34,723

United States
 
(118,914
)
 
(105,767
)
 
(75,413
)
 
 
$
(118,580
)
 
$
(74,379
)
 
$
(40,690
)
Provision (Benefit) for Income Taxes on Continuing Operations by Country
Provision (benefit) for income taxes on continuing operations by country consists of the following (in thousands):
 
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Current provision (benefit):
 
 
 
 
 
 
Foreign
 
$
1,822

 
$
10,447

 
$
10,363

United States:
 
 
 
 
 
 
Federal
 
(51,475
)
 
(7,443
)
 
(15,068
)
State
 
(4,497
)
 
(2,851
)
 
482

 
 
(54,150
)
 
153

 
(4,223
)
Deferred tax provision (benefit):
 
 
 
 
 
 
Foreign
 
357

 
314

 
282

United States
 
(238
)
 
(238
)
 
(51
)
 
 
119

 
76

 
231

Total provision (benefit) for income taxes
 
$
(54,031
)
 
$
229

 
$
(3,992
)
Reconciliation of Differences Between Provision (Benefit) for Income Tax Computed and Reported Provision for Income Taxes
A reconciliation of the differences between the provision (benefit) for income taxes computed at the appropriate statutory rates and the reported provision (benefit) for income taxes is as follows (in thousands). For 2015, 2014 and 2013, the Company was domiciled in the United States, which has a 35% statutory tax rate.
 
 
2015
 
2014
 
2013
Taxes on earnings at statutory rate in domicile of parent company
 
$
(41,503
)
 
$
(26,033
)
 
$
(22,494
)
Earnings taxed at rates less or greater than parent company rates:
 
 
 
 
 
 
Foreign
 
(297
)
 
(1,944
)
 
(4,646
)
State income taxes, net of U.S. federal benefit
 
(3,050
)
 
916

 
(2,275
)
Stock issuance costs
 
1,947

 
—

 
—

Non deductibles
 
2,681

 
6,243

 
4,986

Changes in provision (benefit) for unrecognized tax positions
 
91

 
(1,117
)
 
1,381

Change in valuation allowance
 
(19,027
)
 
18,272

 
7,873

Stock-based compensation
 
1,990

 
(557
)
 
(133
)
Deferred tax adjustments
 
(595
)
 
3,965

 
(929
)
Section 162(m)
 
—

 
—

 
244

Deemed dividend/previously taxed income
 
1,850

 
—

 
8,728

Prior year tax settlement
 
(246
)
 
(2,229
)
 
856

Transfer pricing allocation
 
2,011

 
3,133

 
2,407

Other
 
117

 
(420
)
 
10

Total provision (benefit) for income taxes
 
$
(54,031
)
 
$
229

 
$
(3,992
)
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):
 
 
 
Year Ended December 31,
 
 
2015
 
2014
Beginning balance
 
$
2,504

 
$
3,525

Change in measurement of existing tax positions related to expiration of statute of limitations
 
(100
)
 
(975
)
Foreign exchange difference in Canadian operations
 
2

 
(46
)
Ending balance
 
$
2,406

 
$
2,504
Summary of Principal Components of Company's Net Deferred Tax Assets (Liabilities)
The principal components of the Company’s net deferred tax assets (liabilities) are as follows (in thousands):
 
 
 
December 31,
 
 
2015
 
2014
Deferred tax assets:
 
 
 
 
Current:
 
 
 
 
Accrued vacation
 
$
552

 
$
2,869

Allowance for doubtful accounts
 
1,216

 
538

Estimated loss
 
—

 
453

Prepaid and accrued insurance
 
4,008

 
9,836

Various accrued liabilities
 
340

 
1,646

Deferred rent
 
323

 
232

Other
 
—

 
780

 
 
6,439

 
16,354

Non-current:
 
 
 
 
Deferred compensation
 
1,968

 
4,367

Goodwill
 
30,915

 
25,024

U.S. tax net operating loss carry forwards
 
42,816

 
64,766

State tax net operating loss carry forwards
 
8,892

 
9,436

Foreign tax net operating loss carry forwards
 
3,073

 
3,073

Term Loan amortization
 
516

 
—

Accrued insurance
 
3,770

 
—

Deferred rent
 
988

 
231

Other
 
195

 
1,511

Gross deferred tax assets
 
99,572

 
124,762

Valuation allowance
 
(58,435
)
 
(80,794
)
Deferred tax assets, net of valuation allowance
 
41,137

 
43,968

Deferred tax liabilities:
 
 
 
 
Current:
 
 
 
 
Estimated loss
 
(277
)
 
—

Other
 
(18
)
 
—

 
 
(295
)
 
—

Non-current:
 
 
 
 
Intangibles
 
(31,166
)
 
(28,081
)
Depreciation
 
(9,797
)
 
(15,967
)
Deferred tax liabilities
 
(41,258
)
 
(44,048
)
Net deferred tax liabilities
 
$
(121
)
 
$
(80
)
United States
 
$
—

 
$
(273
)
Foreign
 
(121
)
 
193

Net deferred tax liabilities
 
$
(121
)
 
$
(80
)