Annual report pursuant to Section 13 and 15(d)

Income taxes (Tables)

v3.10.0.1
Income taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income taxes  
Schedule of loss before income taxes

Loss before income taxes is as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

Year ended

 

Year ended

 

Year ended

 

 

December 31, 

 

December 31, 

 

December 31, 

 

    

2018

    

2017

    

2016

U.S.

 

$

(1,650)

 

$

(3,121)

 

$

(3,373)

U.K.

 

 

(93,367)

 

 

(66,566)

 

 

(67,314)

Loss before income taxes

 

$

(95,017)

 

$

(69,687)

 

$

(70,687)

 

Schedule of components of income tax expense (benefit)

The components of income tax expense are as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

Year ended

 

Year ended

 

Year ended

 

 

December 31, 

 

December 31, 

 

December 31, 

 

    

2018

    

2017

    

2016

United States:

 

 

 

 

 

 

 

 

 

Federal

 

$

400

 

$

459

 

$

752

State and local

 

 

97

 

 

(8)

 

 

140

U.K.

 

 

 —

 

 

 —

 

 

 —

Total current tax expense

 

 

497

 

 

451

 

 

892

 

 

 

 

 

 

 

 

 

 

United States:

 

 

 

 

 

 

 

 

 

Federal

 

 

 —

 

 

 —

 

 

 —

State and local

 

 

 —

 

 

 —

 

 

 —

U.K.

 

 

 —

 

 

 —

 

 

 —

Total deferred tax expense

 

 

 —

 

 

 —

 

 

 —

Total income tax expense

 

$

497

 

$

451

 

$

892

 

Schedule of deferred tax assets and liabilities

As of December 31, 2018 and 2017 the tax effects of temporary differences and carryforwards that give rise to deferred tax assets and liabilities were as follows (in thousands):

 

 

 

 

 

 

 

 

 

December 31, 

 

December 31, 

 

    

2018

    

2017

Deferred tax liabilities

 

 

 

 

 

 

Property, plant and equipment:

 

$

(1,415)

 

$

(2,159)

Accruals

 

 

 —

 

 

(3)

Total

 

 

(1,415)

 

 

(2,162)

 

 

 

 

 

 

 

Deferred tax assets

 

 

 

 

 

 

Share-based compensation expense

 

 

8,020

 

 

5,603

Intangibles

 

 

575

 

 

381

Other

 

 

286

 

 

254

Net operating loss and expenditure credit carryforwards

 

 

33,310

 

 

23,357

Total

 

 

42,191

 

 

29,595

Valuation allowance

 

 

(40,776)

 

 

(27,433)

 

 

 

1,415

 

 

2,162

Net deferred tax asset (liability)

 

$

 —

 

$

 —

 

Schedule of the effective tax rate reconciliation

Reconciliation of the U.K. statutory income tax rate to the Company's effective tax rate is as follows (in percentages):

 

 

 

 

 

 

 

 

 

 

Year ended

 

Year ended

 

Year ended

 

 

 

December 31, 

 

December 31, 

 

December 31, 

 

 

    

2018

    

2017

    

2016

    

U.K. tax rate

 

19.0

%  

19.3

%  

20.0

%  

Reimbursable tax credits

 

3.5

%  

2.6

%  

1.6

%  

Surrender of R&D expenditures for R&D tax credit refund

 

(10.0)

%  

(8.4)

%  

(5.9)

%  

Change in valuation allowances

 

(17.5)

%  

(13.5)

%  

(14.7)

%  

Difference in tax rates

 

(1.3)

%  

(1.4)

%  

(2.6)

%  

R&D tax credits generated

 

5.1

%

0.7

%

 —

%

Other

 

0.8

%  

0.1

%  

0.3

%  

Effective income tax rate

 

(0.5)

%  

(0.6)

%  

(1.3)

%