| Income Tax Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Income Tax Disclosure [Abstract] | |
Reconciliation of Income Tax Attributable to Operations |
|
(In thousands) |
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Income taxes at statutory rates (at a rate of 34% for all
periods presented) |
|
$ |
(6,844 |
) |
|
$ |
(5,712 |
) |
|
$ |
(8,922 |
) |
|
Expenses not deducted for tax purposes |
|
|
(67 |
) |
|
|
(14 |
) |
|
|
(452 |
) |
|
Effect of tax rate changes on deferred tax assets and liabilities |
|
|
(3 |
) |
|
|
(13 |
) |
|
|
(9 |
) |
|
Rate differential on foreign earnings |
|
|
972 |
|
|
|
689 |
|
|
|
1,445 |
|
|
Reduction (increase) in benefit of operating losses |
|
|
196 |
|
|
|
(32 |
) |
|
|
441 |
|
|
Reduction in the benefit of other tax attributes |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Investment tax credits |
|
|
(252 |
) |
|
|
(297 |
) |
|
|
(357 |
) |
|
Change in valuation allowance |
|
|
6,203 |
|
|
|
5,114 |
|
|
|
7,854 |
|
|
Book to tax return adjustments |
|
|
(205 |
) |
|
|
265 |
|
|
|
— |
|
|
Other |
|
|
|
|
|
|
— |
|
|
|
— |
|
|
Income tax expense |
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
Summary of Investment Tax Credits and Non-Capital Losses and Net Operating Losses |
The investment tax credits and non-capital losses and net operating losses for income tax purposes expire as follows (in thousands):
|
|
|
Investment |
|
|
Net Operating |
|
|
Non-capital |
|
|
|
|
Tax Credits |
|
|
Losses |
|
|
Losses |
|
|
2016 |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
2017 |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
2018 |
|
|
150 |
|
|
|
10,795 |
|
|
|
— |
|
|
2019 |
|
|
102 |
|
|
|
32 |
|
|
|
— |
|
|
2020 |
|
|
76 |
|
|
|
2,745 |
|
|
|
— |
|
|
2021 |
|
|
69 |
|
|
|
400 |
|
|
|
— |
|
|
2022 |
|
|
105 |
|
|
|
11,766 |
|
|
|
— |
|
|
2023 |
|
|
96 |
|
|
|
10,785 |
|
|
|
— |
|
|
2024 |
|
|
111 |
|
|
|
16,814 |
|
|
|
— |
|
|
2025 |
|
|
144 |
|
|
|
2,062 |
|
|
|
— |
|
|
2026 |
|
|
400 |
|
|
|
27,157 |
|
|
|
7,335 |
|
|
2027 |
|
|
173 |
|
|
|
22,225 |
|
|
|
4,949 |
|
|
2028 |
|
|
390 |
|
|
|
12,648 |
|
|
|
8,020 |
|
|
2029 |
|
|
317 |
|
|
|
4,358 |
|
|
|
(9 |
) |
|
2030 |
|
|
346 |
|
|
|
5,034 |
|
|
|
6,288 |
|
|
2031 |
|
|
608 |
|
|
|
6,200 |
|
|
|
12,121 |
|
|
2032 |
|
|
505 |
|
|
|
8,418 |
|
|
|
17,278 |
|
|
2033 |
|
|
411 |
|
|
|
2,366 |
|
|
|
23,240 |
|
|
2034 |
|
|
492 |
|
|
|
2,609 |
|
|
|
17,077 |
|
|
2035 |
|
|
328 |
|
|
|
5,342 |
|
|
|
3,120 |
|
|
2036 |
|
|
286 |
|
|
|
6,635 |
|
|
|
16,531 |
|
|
|
|
$ |
5,109 |
|
|
$ |
158,391 |
|
|
$ |
115,950 |
|
|
Significant Components of Company's Deferred Tax Assets and Deferred Tax Liabilities |
Significant components of our deferred tax assets as of December 31 are shown below (in thousands):
|
|
|
2016 |
|
|
2015 |
|
|
Deferred tax assets: |
|
|
|
|
|
|
|
|
|
Tax basis in excess of book value of assets |
|
$ |
6,483 |
|
|
$ |
6,308 |
|
|
Non-capital loss carryforwards |
|
|
84,358 |
|
|
|
77,746 |
|
|
Research and development deductions and credits |
|
|
7,969 |
|
|
|
7,484 |
|
|
Stock options |
|
|
3,743 |
|
|
|
3,448 |
|
|
Restructuring liability |
|
|
624 |
|
|
|
474 |
|
|
Other |
|
|
112 |
|
|
|
1,627 |
|
|
Total deferred tax assets |
|
|
103,289 |
|
|
|
97,087 |
|
|
Valuation allowance |
|
$ |
(103,289 |
) |
|
$ |
(97,087 |
) |
|
|
|
|
|
|
|
|
|
|
|
Net deferred tax assets |
|
|
- |
|
|
|
- |
|
|
Reconciliation of Unrecognized Tax Benefits of Uncertain Tax Positions |
A reconciliation of the unrecognized tax benefits of uncertain tax positions for the year ended December 31, 2016 is as follows (in thousands):
|
|
|
Year ended |
|
|
|
|
December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Balance at January 1 |
|
$ |
2,055 |
|
|
$ |
2,039 |
|
|
$ |
2,007 |
|
|
Additions based on tax positions related to the current year |
|
|
16 |
|
|
|
16 |
|
|
|
32 |
|
|
Additions based on tax positions related to prior years |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Balance at December 31 |
|
$ |
2,071 |
|
|
$ |
2,055 |
|
|
$ |
2,039 |
|
|
Summary of Years Open to Examination Under Different Jurisdiction |
Tax audits by their very nature are often complex and can require several years to complete.
|
Tax |
|
Years open to |
|
Jurisdiction |
|
examination |
|
Canada |
|
2008 to 2016 |
|
US |
|
2013 to 2016 |
|