Income Taxes (Tables)
|
12 Months Ended |
Dec. 31, 2016 |
| Income Taxes |
|
| Schedule of components of loss before income tax |
The components of loss before income tax is as follows (in thousands):
|
|
|
2016
|
|
2015
|
|
2014
|
|
|
Domestic
|
|
$
|
(11,375
|
)
|
$
|
(31,335
|
)
|
$
|
(161
|
)
|
|
Foreign
|
|
|
(25,000
|
)
|
|
—
|
|
|
—
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$
|
(36,375
|
)
|
$
|
(31,335
|
)
|
$
|
(161
|
)
|
|
|
|
|
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| Schedule of reconciliation of the effective tax rate to the U.S. Federal statutory rate |
|
|
|
December 31, 2016
|
|
December 31, 2015
|
|
December 31, 2014
|
|
|
Federal tax benefit at statutory rate
|
|
|
34
|
%
|
|
34
|
%
|
|
34
|
%
|
|
State tax, net of Federal benefit
|
|
|
8
|
|
|
3
|
|
|
6
|
|
|
Loss due to change in fair value of convertible preferred stock liability
|
|
|
—
|
|
|
(19
|
)
|
|
—
|
|
|
Foreign rate differential
|
|
|
(23
|
)
|
|
—
|
|
|
—
|
|
|
Change in valuation allowance
|
|
|
(19
|
)
|
|
(18
|
)
|
|
(40
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Effective income tax rate
|
|
|
0
|
%
|
|
0
|
%
|
|
0
|
%
|
|
|
|
|
|
|
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|
| Schedule of principal components of the net deferred tax assets |
The principal components of the Company's net deferred tax assets are as follows (in thousands)
|
|
|
December 31, 2016
|
|
December 31, 2015
|
|
|
Net operating loss carryforwards
|
|
$
|
9,339
|
|
$
|
4,671
|
|
|
Tax credit carryforwards
|
|
|
1,960
|
|
|
445
|
|
|
Capitalized tax assets
|
|
|
241
|
|
|
528
|
|
|
Accruals
|
|
|
230
|
|
|
108
|
|
|
Stock compensation
|
|
|
954
|
|
|
43
|
|
|
Other
|
|
|
67
|
|
|
71
|
|
|
|
|
|
|
|
|
|
|
|
Total deferred tax assets
|
|
|
12,791
|
|
|
5,866
|
|
|
Valuation allowance
|
|
|
(12,791
|
)
|
|
(5,866
|
)
|
|
|
|
|
|
|
|
|
|
|
Net deferred tax assets
|
|
$
|
—
|
|
$
|
—
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Schedule of unrecognized tax benefits activity |
|
|
|
December 31, 2016
|
|
December 31, 2015
|
|
December 31, 2014
|
|
|
Unrecognized tax benefits beginning of the period
|
|
$
|
135
|
|
$
|
—
|
|
$
|
—
|
|
|
Increase related to the prior year
|
|
|
6
|
|
|
—
|
|
|
—
|
|
|
Increased related to the current year
|
|
|
463
|
|
|
135
|
|
|
—
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Unrecognized tax benefits, end of the period
|
|
$
|
604
|
|
$
|
135
|
|
$
|
—
|
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