| Income Tax Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Income Tax Disclosure [Abstract] | |
Schedule of Loss Before Provision for Income Taxes |
The following table presents loss before provision for income taxes (in thousands):
|
|
|
Year Ended December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Income/(loss) before income taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
Domestic |
|
$ |
(66,210 |
) |
|
$ |
(17,489 |
) |
|
$ |
(11,120 |
) |
|
Foreign |
|
|
(14,614 |
) |
|
|
(18,327 |
) |
|
|
— |
|
|
Total loss before provision for income taxes |
|
$ |
(80,824 |
) |
|
$ |
(35,816 |
) |
|
$ |
(11,120 |
) |
|
Summary of Income Tax Expense Differed from Statutory Federal Tax Rate to the Loss Before Taxes |
Income tax expense for the years ended December 31, 2016, 2015 and 2014 differed from the amount expected by applying the statutory federal tax rate to the loss before taxes as summarized below (in thousands):
|
|
|
Year Ended December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Federal tax benefit at statutory rate |
|
|
34.00 |
% |
|
|
34.00 |
% |
|
|
34.00 |
% |
|
State tax benefit, net of federal benefit |
|
|
0.39 |
% |
|
|
3.02 |
% |
|
|
6.33 |
% |
|
Stock compensation |
|
|
-1.75 |
% |
|
|
-1.59 |
% |
|
|
0.00 |
% |
|
Change in valuation allowance |
|
|
-27.45 |
% |
|
|
-20.55 |
% |
|
|
-41.23 |
% |
|
Research and development credits |
|
|
2.53 |
% |
|
|
2.52 |
% |
|
|
1.08 |
% |
|
Foreign income taxed at different rates |
|
|
-6.13 |
% |
|
|
-17.40 |
% |
|
|
0.00 |
% |
|
Other |
|
|
-1.59 |
% |
|
|
0.00 |
% |
|
|
-0.18 |
% |
|
Income tax expense |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
Significant Components of the Company's Deferred Taxes |
The significant components of our deferred taxes are as follows (in thousands):
|
|
|
Year Ended December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
Deferred tax assets (liabilities): |
|
|
|
|
|
|
|
|
|
Net operating loss carryforwards |
|
$ |
27,109 |
|
|
$ |
9,857 |
|
|
Start-up costs |
|
|
1,282 |
|
|
|
1,612 |
|
|
Stock-based compensation |
|
|
3,427 |
|
|
|
1,413 |
|
|
Tax credit carryforwards |
|
|
3,585 |
|
|
|
1,296 |
|
|
Accruals |
|
|
1,041 |
|
|
|
195 |
|
|
Other |
|
|
22 |
|
|
|
(2 |
) |
|
Total deferred tax assets |
|
|
36,466 |
|
|
|
14,371 |
|
|
Less: valuation allowance |
|
|
(36,466 |
) |
|
|
(14,371 |
) |
|
Net deferred income taxes |
|
$ |
— |
|
|
$ |
— |
|
|
Summary of Activity Related to Unrecognized Benefits |
The following table summarizes the activity related to our unrecognized benefits (in thousands):
|
|
|
Year Ended December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
Beginning balance - unrecognized tax benefit, gross |
|
$ |
— |
|
|
$ |
— |
|
|
Increases related to tax positions taken during a prior year |
|
|
— |
|
|
|
— |
|
|
Decreases related to a tax position taken during a prior year |
|
|
— |
|
|
|
— |
|
|
Increases related to tax positions taken during the
current year |
|
|
960 |
|
|
|
— |
|
|
Decreases related to settlements with taxing authorities |
|
|
— |
|
|
|
— |
|
|
Decreases related to expiration of statute of limitations |
|
|
— |
|
|
|
— |
|
|
Ending balance - unrecognized tax benefits, gross |
|
$ |
960 |
|
|
$ |
— |
|
|