Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.8.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Taxes  
Summary of components of the income tax provision

 

 

 

 

 

 

 

 

 

 

Year Ended December 31, 

 

 

    

2017

    

2016

 

Current

    

$

 7

    

$

 2

 

Deferred

 

 

 —

 

 

 —

 

Total

 

$

 7

 

$

 2

 

 

Schedule of reconciliation of effective tax rate expense (benefit) for continuing operations and the statutory federal income tax rate

 

 

 

 

 

 

 

 

 

 

 

Year ended

 

 

 

 

December 31,

 

 

 

    

2017

    

2016

 

2015

 

 

Federal income tax computed at federal statutory tax rate

 

34.00

%  

34.00

%

34.00

%

 

State income tax, net of federal benefit

 

5.35

 

4.79

 

4.70

 

 

Permanent items

 

(1.57)

 

(2.83)

 

(3.33)

 

 

Federal and state research and development credits

 

7.36

 

2.93

 

2.66

 

 

Rate change

 

(31.79)

 

 —

 

 —

 

 

Other

 

0.66

 

(0.08)

 

0.12

 

 

Change in valuation allowance

 

(14.02)

 

(38.81)

 

(38.15)

 

 

Effective income tax rate

 

(0.01)

%  

0.00

%

0.00

%

 

 

Schedule of components of deferred tax assets and liabilities

The principal components of the Company’s deferred tax assets and liabilities consist of the following at December 31, 2017 and 2016 (in thousands):

 

 

 

 

 

 

 

 

 

 

 

Year ended

 

 

 

December 31,

 

 

    

2017

    

2016

 

 

Deferred tax assets:

 

 

 

 

 

 

 

 

Federal and state net operating loss carryforwards

 

$

37,411

 

$

33,846

 

 

Tax credit carryforwards

 

 

7,573

 

 

3,350

 

 

Intangible assets

 

 

56

 

 

197

 

 

Stock-based compensation

 

 

1,059

 

 

247

 

 

Leasehold incentive

 

 

240

 

 

467

 

 

Other

 

 

1,237

 

 

1,605

 

 

Total deferred tax assets

 

 

47,576

 

 

39,712

 

 

Less valuation allowance

 

 

(47,576)

 

 

(39,624)

 

 

Net deferred tax assets

 

 

 —

 

 

88

 

 

Deferred tax liabilities:

 

 

 

 

 

 

 

 

Fixed assets

 

 

 —

 

 

(88)

 

 

Total deferred tax liabilities

 

 

 —

 

 

(88)

 

 

Net deferred taxes

 

$

 —

 

$

 —