Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.6.0.2
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2016
Income Tax Disclosure [Abstract]  
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,

 

 

 

2016

 

 

2015

 

 

2014

 

Federal tax at statutory rate

 

 

34

%

 

 

34

%

 

 

34

%

Warrant valuation

 

 

7

%

 

 

29

%

 

 

40

%

Permanent items and other

 

 

2

%

 

 

-15

%

 

 

-1

%

Valuation allowance

 

 

-43

%

 

 

-48

%

 

 

-73

%

Total

 

 

0

%

 

 

0

%

 

 

0

%

 

Components of Net Deferred Tax Assets

 

The significant components of net deferred tax assets as of December 31, 2016 and 2015 were as follows (in thousands):

 

 

 

December 31,

 

 

 

2016

 

 

2015

 

Capitalized research and development expenses

 

$

53,557

 

 

$

50,808

 

Net operating loss carryforwards

 

 

123,672

 

 

 

115,869

 

Research and development and other credit carryforwards

 

 

25,297

 

 

 

24,268

 

Other

 

 

15,400

 

 

 

18,748

 

Total deferred tax assets

 

 

217,926

 

 

 

209,693

 

Valuation allowance

 

 

(217,926

)

 

 

(209,693

)

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,

 

 

 

2016

 

 

2015

 

 

2014

 

Balance at January 1

 

$

9,666

 

 

$

5,503

 

 

$

4,274

 

Increase related to current year tax position

 

 

592

 

 

 

2,687

 

 

 

720

 

(Decrease) Increase related to prior year’s tax positions

 

 

(1,633

)

 

 

1,476

 

 

 

509

 

Balance at December 31

 

$

8,625

 

 

$

9,666

 

 

$

5,503