| Income Tax Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Income Tax Disclosure [Abstract] | |
(Loss) before income taxes |
(Loss) before income taxes
|
|
|
|
|
|
|
|
|
| |
|
Year ended December 31, |
|
| |
|
2016 |
|
|
2015 |
|
| |
|
(in
thousands) |
|
|
U.S.
|
|
$ |
(50,689 |
) |
|
$ |
(67,254 |
) |
|
Foreign
|
|
|
(12,413 |
) |
|
|
(10,602 |
) |
|
|
|
|
|
|
|
|
|
|
Total
|
|
$ |
(63,102 |
) |
|
$ |
(77,856 |
) |
|
|
|
|
|
|
|
|
|
|
Income Tax Expense (Benefit) |
Income taxes
|
|
|
|
|
|
|
|
|
| |
|
Year ended December 31, |
|
| |
|
2016 |
|
|
2015 |
|
| |
|
(in
thousands) |
|
|
Current
|
|
|
|
|
|
|
|
|
|
U.S.
|
|
$ |
— |
|
|
$ |
— |
|
|
State
|
|
|
— |
|
|
|
— |
|
|
Foreign
|
|
|
331 |
|
|
|
13 |
|
|
|
|
|
|
|
|
|
|
|
Total current income tax expense
|
|
|
331 |
|
|
|
13 |
|
|
|
|
|
|
|
|
|
|
|
Deferred
|
|
|
|
|
|
|
|
|
|
U.S.
|
|
|
— |
|
|
|
— |
|
|
State
|
|
|
— |
|
|
|
— |
|
|
Foreign
|
|
|
(554 |
) |
|
|
(39 |
) |
|
|
|
|
|
|
|
|
|
|
Total deferred income tax (benefit)
|
|
|
(554 |
) |
|
|
(39 |
) |
|
|
|
|
|
|
|
|
|
|
Total income tax (benefit)
|
|
$ |
(223 |
) |
|
$ |
(26 |
) |
|
|
|
|
|
|
|
|
|
|
Reconciliation of Income Tax Computed at Federal Statutory Rate to Income Before Taxes |
The reconciliation of income tax computed at the federal statutory
rate to income before taxes is as follows:
|
|
|
|
|
|
|
|
|
| |
|
Year ended December 31,
|
|
| |
|
2016 |
|
|
2015 |
|
|
U.S. Federal statutory rate
|
|
|
(34.0 |
)% |
|
|
(34.0 |
)% |
|
State taxes net of federal benefit
|
|
|
(4.1 |
) |
|
|
(4.4 |
) |
|
Foreign rate differential and transactional tax
|
|
|
1.8 |
|
|
|
1.2 |
|
|
Impact of foreign tax holiday
|
|
|
(0.9 |
) |
|
|
3.4 |
|
|
Valuation allowance
|
|
|
36.6 |
|
|
|
33.3 |
|
|
Other
|
|
|
0.2 |
|
|
|
0.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
0.4 |
% |
|
|
— |
% |
|
|
|
|
|
|
|
|
|
|
Significant Components of Net Deferred Income Taxes |
Significant components of the Company’s net deferred income
taxes are as follows at December 31:
|
|
|
|
|
|
|
|
|
| |
|
2016 |
|
|
2015 |
|
| |
|
(in
thousands) |
|
|
Deferred tax assets:
|
|
|
|
|
|
|
|
|
|
Allowance for doubtful accounts
|
|
$ |
12 |
|
|
$ |
152 |
|
|
Inventory reserves
|
|
|
3,855 |
|
|
|
3,289 |
|
|
Accrued liabilities
|
|
|
11 |
|
|
|
382 |
|
|
Warrant interest expense
|
|
|
269 |
|
|
|
269 |
|
|
Stock compensation expense
|
|
|
2,774 |
|
|
|
2,478 |
|
|
State net operating loss—net of tax
|
|
|
9,189 |
|
|
|
7,456 |
|
|
Net operating loss carryforward
|
|
|
50,284 |
|
|
|
40,417 |
|
|
Tax credits
|
|
|
825 |
|
|
|
671 |
|
|
Depreciation
|
|
|
4,995 |
|
|
|
— |
|
|
Valuation allowance
|
|
|
(72,199 |
) |
|
|
(52,286 |
) |
|
|
|
|
|
|
|
|
|
|
Total deferred tax assets
|
|
|
15 |
|
|
|
2,828 |
|
|
Deferred tax liability:
|
|
|
|
|
|
|
|
|
|
Depreciation
|
|
|
— |
|
|
|
(3,320 |
) |
|
Prepaid expenses
|
|
|
(15 |
) |
|
|
(62 |
) |
|
|
|
|
|
|
|
|
|
|
Net deferred tax liability
|
|
$ |
— |
|
|
$ |
(554 |
) |
|
|
|
|
|
|
|
|
|
|
Reconciliation of Unrecognized Tax Benefit |
A reconciliation of the beginning and ending balance of the
unrecognized tax benefit follows (in thousands):
|
|
|
|
|
|
Balance at December 31, 2015
|
|
$ |
1,141 |
|
|
Decrease related to prior year positions
|
|
|
— |
|
|
Tax position related to current year
|
|
|
— |
|
|
|
|
|
|
|
Balance at December 31, 2016
|
|
$ |
1,141 |
|
|
|
|
|
|
|