Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.7.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of Income Taxes at Statutory Federal Income Tax Rate to Net Income Taxes

A reconciliation of income taxes at the statutory federal income tax rate to net income taxes included in the accompanying statements of operations is as follows (in thousands):

 

 

 

2016

 

 

2015

 

 

2014

 

U.S. federal taxes (benefit) at statutory rate

 

$

(8,192

)

 

$

14,900

 

 

$

(7,407

)

State federal income tax benefit

 

 

(261

)

 

 

(448

)

 

 

(571

)

Unutilized (utilized) net operating losses

 

 

7,238

 

 

 

(11,287

)

 

 

9,809

 

Stock-based compensation

 

 

393

 

 

 

898

 

 

 

730

 

Research and development credits

 

 

(1,552

)

 

 

(3,135

)

 

 

(952

)

Tax assets not benefited

 

 

2,398

 

 

 

4,732

 

 

 

1,322

 

Nondeductible warrant expense

 

 

(41

)

 

 

(5,703

)

 

 

(3,177

)

Other

 

 

17

 

 

 

43

 

 

 

44

 

Total

 

$

 

 

$

 

 

$

(202

)

 

Schedule of Significant Components of Net Deferred Tax Assets

The tax effects of temporary differences that give rise to significant components of the net deferred tax assets are as follows (in thousands):

 

 

 

December 31,

 

 

 

2016

 

 

2015

 

Capitalized start-up costs

 

$

78

 

 

$

103

 

Net operating loss carryforwards

 

 

54,250

 

 

 

47,725

 

Research and development credits

 

 

13,761

 

 

 

11,354

 

Deferred stock compensation

 

 

5,191

 

 

 

5,130

 

Other (accruals, reserves, depreciation)

 

 

362

 

 

 

359

 

Total deferred tax assets

 

 

73,642

 

 

 

64,671

 

Less: Valuation allowance

 

 

(73,642

)

 

 

(64,671

)

Net deferred tax assets

 

$

 

 

$

 

 

Schedule of Activity Related to Unrecognized Tax Benefits

The following table summarizes the activity related to the Company’s gross unrecognized tax benefits:

 

(in thousands)

 

2016

 

 

2015

 

Gross unrecognized tax benefits at January 1,

 

$

1,100

 

 

$

1,100

 

Gross increases (decreases) related to prior year tax positions

 

 

 

 

 

 

Gross increases (decreases) related to current year tax

   positions

 

 

 

 

 

 

Settlements

 

 

 

 

 

 

Expiration of the statute of limitations for the assessment of

   taxes

 

 

 

 

 

 

Gross unrecognized tax benefits at December 31,

 

$

1,100

 

 

$

1,100