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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of components of income before income taxes
The components of income before income taxes is summarized as follows:
 
Year Ended
December 31,
(in thousands)
2019
 
2018
 
2017
U.S.
$
25,432

 
$
46,945

 
$
39,559

International
3,195

 
2,603

 
80

Income before income taxes
$
28,627

 
$
49,548

 
$
39,639


Schedule of income tax (benefit) expense
The income tax (benefit) expense is summarized as follows:
 
Year Ended
December 31,
(in thousands)
2019
 
2018
 
2017
Current
 
 
 
 
 
Federal
$
287

 
$
(21
)
 
$
(58
)
State
(13,166
)
 
3,424

 
3,242

International
114

 
(135
)
 
16

 
(12,765
)
 
3,268

 
3,200

Deferred
 
 
 
 
 
Federal
8,712

 
7,821

 
(71,742
)
State
790

 
1,411

 
(15,220
)
International
223

 
(3,470
)
 
16

 
9,725

 
5,762

 
(86,946
)
Income tax (benefit) expense
$
(3,040
)
 
$
9,030

 
$
(83,746
)
Schedule of reconciliation of income taxes at the U.S. federal statutory rate to the actual income taxes
The reconciliation of income taxes at the U.S. federal statutory rate to the actual income taxes is as follows:
 
Year Ended
December 31,
(in thousands)
2019
 
2018
 
2017
U.S. statutory rate
$
6,012

 
$
10,405

 
$
13,873

Permanent items
3,737

 
505

 
(1,916
)
Uncertain tax positions
(13,156
)
 
3,227

 
3,128

Other tax credits
(1,685
)
 
(742
)
 
(175
)
State and local taxes
1,914

 
2,125

 
1,252

Impact of rate change on deferred taxes

 

 
45,129

True-up of prior year tax

 

 
7

Foreign tax rate differential
(238
)
 
30

 
97

Valuation allowance
(22
)
 
(4,073
)
 
(141,094
)
Benefit of windfall related to stock compensation
(2,768
)
 
(1,760
)
 
(2,723
)
Increase in indemnification deferred tax asset
2,531

 
(731
)
 
(1,055
)
Other
635

 
44

 
(269
)
Income tax (benefit) expense
$
(3,040
)
 
$
9,030

 
$
(83,746
)
Schedule of components of deferred incomes tax assets (liabilities)
The components of deferred income tax assets (liabilities) are as follows:
 
December 31,
(in thousands)
2019
 
2018
Deferred Tax Assets
 
 
 
Federal benefit of state tax liabilities
$
5,278

 
$
7,809

Reserves, accruals and other
15,026

 
11,005

Inventory obsolescence
550

 
428

Capitalized research and development
5,086

 
7,491

Amortization of intangibles other than goodwill
1,569

 
2,809

Net operating loss carryforwards
47,095

 
55,938

Depreciation
56

 

Deferred tax assets
74,660

 
85,480

Deferred Tax Liabilities
 
 
 
Reserves, accruals and other
(881
)
 
(1,078
)
Customer relationships
(707
)
 
(986
)
Depreciation

 
(727
)
Deferred tax liability
(1,588
)
 
(2,791
)
Less: valuation allowance
(1,238
)
 
(1,240
)
 
$
71,834

 
$
81,449

Recorded in the accompanying consolidated balance sheets as:
 
 
 
Noncurrent deferred tax assets, net
$
71,834

 
$
81,449

Schedule of valuation allowance
A summary of the changes in the Company’s valuation allowance is summarized below:
        
(in thousands)
Amount
Balance, January 1, 2018
$
5,368

Charged to income tax (benefit) expense
(103
)
Foreign currency
(56
)
Release valuation allowance
(3,969
)
Balance, December 31, 2018
1,240

Charged to income tax (benefit) expense
(22
)
Foreign currency
20

Release valuation allowance

Balance, December 31, 2019
$
1,238

Schedule of reconciliation of the Company's changes in uncertain tax positions
A reconciliation of the Company’s changes in uncertain tax positions for 2019 and 2018 is as follows:
        
(in thousands)
Amount
Balance of uncertain tax positions as of January 1, 2018
$
9,866

   Additions related to current year tax positions

   Reductions related to prior year tax positions
(4
)
   Settlements

   Lapse of statute of limitations
(74
)
Balance of uncertain tax positions as of December 31, 2018
9,788

   Additions related to current year tax positions

   Reductions related to prior year tax positions
(4,496
)
   Settlements

   Lapse of statute of limitations

Balance of uncertain tax positions as of December 31, 2019
$
5,292