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 Tax Disclosure [Abstract]  
Schedule of Provision for Income Taxes (All Current)

The provision for income taxes (all current) consists of the following (in thousands):

 

 

Year Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Federal

 

$

1,649

 

 

$

 

 

$

 

State

 

 

13

 

 

 

 

 

 

 

Total

 

$

1,662

 

 

$

 

 

$

 

 

Reconciliation Between the Tax Provision Computed at the Federal Statutory Income Tax Rate and Actual Effective Income Tax Rate

Reconciliation between the tax provision computed at the federal statutory income tax rate of 34% and the Company’s actual effective income tax rate is as follows:

 

 

 

Year Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Federal tax at statutory rate

 

 

34

%

 

 

34

%

 

 

34

%

Warrant valuation

 

 

 

 

 

7

%

 

 

29

%

Stock compensation and other permanent differences

 

 

6

%

 

 

 

 

(1)

%

Tax credits

 

(4)

%

 

 

2

%

 

(14)

%

Impact of 2017 Tax Act on change in deferred

 

 

128

%

 

 

 

 

 

 

Section 382 limitations

 

 

868

%

 

 

 

 

 

 

Valuation allowance

 

(1,022)

%

 

(43)

%

 

(48)

%

Total

 

 

10

%

 

 

0

%

 

 

0

%

 

Components of Net Deferred Tax Assets

 

The significant components of net deferred tax assets at December 31, 2017 and 2016 were as follows (in thousands):

 

 

 

December 31,

 

 

 

2017

 

 

2016

 

Capitalized research and development expenses

 

$

26,367

 

 

$

53,557

 

Net operating loss carryforwards

 

 

4,701

 

 

 

123,672

 

Research and development and other credit carryforwards

 

 

12,225

 

 

 

25,297

 

Stock compensation

 

 

3,680

 

 

 

7,099

 

Deferred revenue

 

 

3,928

 

 

 

6,577

 

Other

 

 

883

 

 

 

1,724

 

Total deferred tax assets

 

 

51,784

 

 

 

217,926

 

Valuation allowance

 

 

(51,784

)

 

 

(217,926

)

Net deferred tax assets

 

$

 

 

$

 

 

Schedule of Unrecognized Tax Benefits

The following table summarizes the Company's activity related to its unrecognized tax benefits (in thousands):

 

 

 

Year Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Balance at January 1

 

$

8,625

 

 

$

9,666

 

 

$

5,503

 

Increase related to current year tax position

 

 

581

 

 

 

592

 

 

 

2,687

 

(Decrease) increase related to prior year tax position

 

 

(3,705

)

 

 

(1,633

)

 

 

1,476

 

Balance at December 31

 

$

5,501

 

 

$

8,625

 

 

$

9,666