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Investments in affiliates and joint ventures (Tables) | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Variable Interest Entities [Table Text Block] | The following table summarizes the investments of the NL Partnership, including the NL Partnership’s ownership interest therein:
|  | NL Partnership Interest |
Equity method investments: |  |
Kivalliq Services Ltd.(i) |  | 33.33 | %
HRN Contracting Ltd.(ii) |  | 33.33 | %
Proportionately consolidated investments: |  |
Amik Nuna Forestry Services |  | 50.00 | %
Aroland Nuna |  | 49.00 | %
Fond Du Lac Nuna |  | 49.00 | %
Mahiikanuk Nuna |  | 49.00 | %
Met Nuna |  | 75.00 | %
Nuna Bauer |  | 50.00 | %
EDC Nuna Contracting |  | 70.00 | %
Attawapiskat Nuna |  | 75.00 | %
Westarc Drilling & Blasting Joint Venture(iii) |  | 30.00 | %
Consolidated investments: |  |
Deton Cho Nuna |  | 60.00 | %
Nuna Deton Cho Winter Road Services |  | 75.00 | %
Nuna Deton Cho Contracting |  | 100.00 | %
Schedule of investments in affiliates and joint ventures |
Assets |  |  |
Cash |  | $ | 10,939 |
Accounts receivable, net |  | 13,234 |
Contract assets |  | 3,089 |
Inventories |  | 3,926 |
Prepaid expenses and deposits |  | 304 |
|  | 31,492 |
Property, plant and equipment |  | 15,962 |
Other assets |  | 1,375 |
Investment in affiliates and joint ventures |  | 11,728 |
Total Assets |  | 60,557 |
Liabilities |  |
Accounts payable |  | 10,604 |
Accrued liabilities |  | 1,136 |
Contract liabilities |  | 360 |
|  | 12,100 |
Long term debt (including current portion) |  | 3,127 |
Capital lease obligation (including current portion) |  | 542 |
Deferred tax liabilities |  | 1,938 |
Total Liabilities |  | 17,707 |
Net assets acquired |  | $ | 42,850 |
The following table summarizes the investments of the NL Partnership, including the NL Partnership’s ownership interest therein:
|  | NL Partnership Interest |
Equity method investments: |  |
Kivalliq Services Ltd.(i) |  | 33.33 | %
HRN Contracting Ltd.(ii) |  | 33.33 | %
Proportionately consolidated investments: |  |
Amik Nuna Forestry Services |  | 50.00 | %
Aroland Nuna |  | 49.00 | %
Fond Du Lac Nuna |  | 49.00 | %
Mahiikanuk Nuna |  | 49.00 | %
Met Nuna |  | 75.00 | %
Nuna Bauer |  | 50.00 | %
EDC Nuna Contracting |  | 70.00 | %
Attawapiskat Nuna |  | 75.00 | %
Westarc Drilling & Blasting Joint Venture(iii) |  | 30.00 | %
Consolidated investments: |  |
Deton Cho Nuna |  | 60.00 | %
Nuna Deton Cho Winter Road Services |  | 75.00 | %
Nuna Deton Cho Contracting |  | 100.00 | %
(i) Includes investment in MTKSL Contracting Joint Venture (ii) Includes investment in TDIC/HRN Contracting Joint Venture (iii) Includes investment in Westarc Drilling & Blasting Services Ltd. The following table summarizes the movement in the investments in affiliates and joint ventures balance during the year:
|  | December 31, 2018 |  |  | December 31, 2017 |
Balance, beginning of the year |  | $ | — |  |  | $ | — |
Additions arising on acquisition |  | 11,728 |  |  | — |
Share of net income |  | 60 |  |  | — |
Balance, end of the year |  | $ | 11,788 |  |  | $ | — |
The financial information for the investments in affiliates and joint ventures accounted for using the equity method is summarized as follows: Balance Sheets
|  | December 31, 2018 |  |  | December 31, 2017 |
Assets |  |  |  |
Current assets |  | $ | 9,769 |  |  | $ | — |
Non-current assets |  | 2,392 |  |  | — |
Total assets |  | $ | 12,161 |  |  | $ | — |
Liabilities |  |  |  |
Current liabilities |  | $ | 4,013 |  |  | $ | — |
Non-current liabilities |  | 3,032 |  |  | — |
Total liabilities |  | $ | 7,045 |  |  | $ | — |
Statement of Operations and Comprehensive Income
Year ended December 31, |  | 2018 |  |  | 2017 |
Revenues |  | $ | 1,771 |  |  | $ | — |
Gross profit |  | 152 |  |  | — |
Income before taxes |  | 98 |  |  | — |
Net income and comprehensive income |  | $ | 60 |  |  | $ | — |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=108788376&loc=SL6759159-111685 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5747-111685 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=108788376&loc=SL6228884-111685 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5710-111685 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5728-111685 + Details
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