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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Taxes |
Schedule of income/(loss) before income tax, domestic and foreign | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2022 | ​ | 2021 |
U.S. | ​ | $ | (95) | ​ | $ | (136) | ​
Canada | ​ | ​ | (272) | ​ | ​ | (7,155) | ​
Other foreign, net | ​ | ​ | (4,564) | ​ | ​ | (7,946) | ​
​ | ​ | $ | (4,931) | ​ | $ | (15,237) | ​
​
Schedule of effective income tax rate reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2022 | ​ | 2021 |
Income taxed at statutory rates | ​ | $ | (1,035) | ​ | $ | (3,743) | ​
Increase (decrease) in taxes from: | ​ | ​ | ​ | ​ | ​ | ​ | ​
State Tax | ​ | ​ | (2) | ​ | ​ | (21) | ​
Stock-based compensation | ​ | ​ | 120 | ​ | ​ | 33 | ​
Meals and Entertainment | ​ | ​ | 1 | ​ | ​ | — | ​
Imputed interest | ​ | ​ | 16 | ​ | ​ | 1 | ​
Other adjustments | ​ | ​ | (16) | ​ | ​ | — | ​
Expiring NOLs | ​ | ​ | 504 | ​ | ​ | — | ​
Inflation adjustment | ​ | ​ | — | ​ | ​ | (2) | ​
Prior year provision to actual adjustments | ​ | ​ | 472 | ​ | ​ | (493) | ​
Change in U.S. tax rate | ​ | ​ | 5 | ​ | ​ | — | ​
Differentials in foreign tax rates | ​ | ​ | (426) | ​ | ​ | (186) | ​
Changes in foreign exchange rates | ​ | ​ | 1,421 | ​ | ​ | 911 | ​
Changes in valuation allowances affecting income tax expense or benefit | ​ | ​ | (1,060) | ​ | ​ | 3,500 | ​
Income tax (benefit)/expense | ​ | $ | — | ​ | $ | — | ​
​
Schedule of deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 | ​ | 2021 |
Deferred income tax assets | ​ | ​ | ​ | ​ | ​ | ​ | ​
Excess tax basis over book basis of property, plant and equipment | ​ | $ | 7,225 | ​ | $ | 7,225 | ​
Marketable securities | ​ | ​ | — | ​ | ​ | 103 | ​
Operating loss carryforwards | ​ | ​ | 39,709 | ​ | ​ | 40,620 | ​
Capital loss carryforwards | ​ | ​ | 14,394 | ​ | ​ | 14,065 | ​
Capital expenditures | ​ | ​ | 374 | ​ | ​ | 374 | ​
Stock compensation | ​ | ​ | 55 | ​ | ​ | 179 | ​
VAT recoverable | ​ | ​ | 152 | ​ | ​ | 145 | ​
Unrealized foreign exchange gain/loss | ​ | ​ | — | ​ | ​ | 116 | ​
Environmental liability | ​ | ​ | — | ​ | ​ | 65 | ​
Offering costs | ​ | ​ | 229 | ​ | ​ | 305 | ​
Accrued vacation | ​ | ​ | 29 | ​ | ​ | 26 | ​
Other | ​ | ​ | — | ​ | ​ | 4 | ​
Total future tax assets | ​ | ​ | 62,167 | ​ | ​ | 63,227 | ​
Valuation allowance for future tax assets | ​ | ​ | (62,167) | ​ | ​ | (63,227) | ​
​ | ​ | ​ | — | ​ | ​ | — | ​
Deferred income tax liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other investments | ​ | ​ | — | ​ | ​ | — | ​
​ | ​ | ​ | — | ​ | ​ | — | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Deferred Taxes | ​ | $ | — | ​ | $ | — | ​
​
Summary of expiring loss carryforwards | The Company’s tax loss carryforwards expire as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Noncapital Canada |  | U.S. |  | Mexico |  | Barbados |  | Total | ​
2023 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 392 | ​ | ​ | 6 | ​ | ​ | 398 | ​
2024 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 6 | ​ | ​ | 6 | ​
2025 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 84 | ​ | ​ | 6 | ​ | ​ | 90 | ​
2026 | ​ | ​ | 1,027 | ​ | ​ | — | ​ | ​ | 863 | ​ | ​ | 5 | ​ | ​ | 1,895 | ​
2027 | ​ | ​ | 847 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7 | ​ | ​ | 854 | ​
2028 | ​ | ​ | 5,245 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7 | ​ | ​ | 5,252 | ​
2029 | ​ | ​ | 4,022 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | 4,024 | ​
2030 | ​ | ​ | 5,032 | ​ | ​ | 1,748 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 6,780 | ​
2031 | ​ | ​ | 3,806 | ​ | ​ | 3,407 | ​ | ​ | 75 | ​ | ​ | — | ​ | ​ | 7,288 | ​
2032 | ​ | ​ | 6,397 | ​ | ​ | 2,323 | ​ | ​ | 52 | ​ | ​ | — | ​ | ​ | 8,772 | ​
2033 | ​ | ​ | 6,185 | ​ | ​ | 3,098 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9,283 | ​
2034 | ​ | ​ | 4,420 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,420 | ​
2035 | ​ | ​ | 3,729 | ​ | ​ | 2 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,731 | ​
2036 | ​ | ​ | 2,799 | ​ | ​ | 2,655 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,454 | ​
2037 | ​ | ​ | 1,916 | ​ | ​ | 2,482 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,398 | ​
2038 | ​ | ​ | 2,666 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,666 | ​
2039 | ​ | ​ | 3,338 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,338 | ​
2040 | ​ | ​ | 2,829 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,829 | ​
2041 | ​ | ​ | 3,195 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,195 | ​
2042 | ​ | ​ | 704 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 704 | ​
​ | ​ | $ | 58,157 | ​ | $ | 15,715 | ​ | $ | 1,466 | ​ | $ | 39 | ​ | $ | 75,377 | ​
​

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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