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Accounts receivable | 3 Months Ended
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Mar. 31, 2026
Receivables [Abstract] |
Accounts receivable | 5. Accounts receivable:
| March 31, 2026 |  | December 31, 2025
Trade accounts receivable | $ | 157 |  |  | $ | 14 |
Other receivables (Note a) | 11,047 |  |  | 10,816 |
Provision for expected credit loss (Note a) | (5,304) |  |  | (10,304) |
| $ | 5,900 |  |  | $ | 526 |
(a) As at December 31, 2025, VRB was owed the remaining tranche of $10.3 million from its sale of 51% of the shares in VRB China to China Energy Storage Industry Co., Ltd. (“Red Sun”). At December 31, 2025, the Company recorded a provision for expected credit loss in the amount of the full second tranche payment as it was due on June 30, 2025 and had not been received. On April 1, 2026 VRB received $5.0 million of the second tranche payment, while the remainder is still outstanding. At March 31, 2026, the Company reduced the provision for expected credit loss by $5.0 million and continues to carry a provision of $5.3 million due to prolonged delinquency, an absence of contractual modification and a high degree of risk and uncertainty with cross-border collection risk and contractual remedies.

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- Definition The entire disclosure for accounts receivable, contract receivable, receivable held-for-sale, and nontrade receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/326/tableOfContent + Details
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- References No definition available. + Details
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