XML 61 R26.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Common Shares (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Common Shares |
Summary of outstanding warrants | Warrant activity is summarized in the following table.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​
​ | ​ | ​ | ​ | Average | ​ | Average | ​
​ | ​ | Warrants | ​ | Exercise Price | ​ | Remaining Life | ​
​ |  | Outstanding |  | Per Share |  | (Years) |
As of December 31, 2022 | ​ | 7,408,101 | ​ | $ | 1.25 | ​ | 1.5 | ​
As of December 31, 2023 | ​ | 7,408,101 | ​ | $ | 1.25 | ​ | 0.5 | ​
Expired | ​ | (7,408,101) | ​ | $ | 1.25 | ​ | ​ | ​
As of December 31, 2024 | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Summary of stock-based compensation expense | Stock-based compensation expense for the years ended December 31, 2024 and 2023 was: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, | ​
​ |  | 2024 |  | 2023 |
RSUs | ​ | $ | 391 | ​ | $ | 392 | ​
DSUs | ​ | ​ | 293 | ​ | ​ | 244 | ​
​ | ​ | $ | 684 | ​ | $ | 636 | ​
Summary of restricted stock unit activity | The following table summarizes RSU activity:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted Average | ​
​ | ​ | Number | ​ | Grant-Date Fair | ​
​ |  | of RSUs |  | Value Per RSU | ​
Unvested - December 31, 2022 | ​ | 1,472,008 |  | $ | 0.60 |
Granted | ​ | 1,163,000 | ​ | ​ | 0.37 | ​
Cancelled/forfeited | ​ | (335,786) | ​ | ​ | 0.58 | ​
Vested, net of shares withheld | ​ | (412,548) | ​ | ​ | 0.60 | ​
Unvested - December 31, 2023 | ​ | 1,886,674 |  | $ | 0.46 |
Granted | ​ | 1,736,000 | ​ | ​ | 0.25 | ​
Cancelled/forfeited | ​ | (409,450) | ​ | ​ | 0.50 | ​
Vested, net of shares withheld | ​ | (445,551) | ​ | ​ | 0.59 | ​
Unvested - December 31, 2024 | ​ | 2,767,673 | ​ | $ | 0.30 | ​
Summary of deferred stock units | The following table summarizes DSU activity:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Weighted Average | ​
​ | ​ | Number of | ​ | ​ | Grant-Date Fair | ​
​ |  | DSUs |  | ​ | Value per DSU |
Outstanding - December 31, 2022 | ​ | 1,254,000 | ​ | $ | 0.72 | ​
Granted | ​ | 420,000 | ​ | ​ | 0.58 | ​
Shares issued to participants | ​ | (485,000) | ​ | ​ | 0.69 | ​
Outstanding - December 31, 2023 | ​ | 1,189,000 | ​ | $ | 0.68 | ​
Granted | ​ | 767,000 | ​ | ​ | 0.38 | ​
Shares issued to participants | ​ | (295,000) | ​ | ​ | 0.68 | ​
Outstanding - December 31, 2024 | ​ | 1,661,000 | ​ | $ | 0.54 | ​
Summary of option activity | The following table summarizes option activity: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Weighted Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted Average | ​ | Remaining | ​ | Aggregate | ​
​ | ​ | Number of | ​ | Exercise Price | ​ | Contractual Term | ​ | Intrinsic | ​
​ |  | Options |  | Per Option |  | (Years) |  | Value |
Outstanding - December 31, 2022 | ​ | 1,367,000 |  | $ | 0.71 | ​ | 0.64 | ​ | $ | — | ​
Expired | ​ | (967,000) | ​ | ​ | 0.71 | ​ | ​ | ​ | ​ | ​ | ​
Outstanding - December 31, 2023 | ​ | 400,000 |  | $ | 0.70 | ​ | 0.47 | ​ | $ | — | ​
Expired | ​ | (350,000) | ​ | ​ | 0.73 | ​ | ​ | ​ | ​ | ​ | ​
Outstanding - December 31, 2024 | ​ | 50,000 | ​ | $ | 0.51 | ​ | 0.25 | ​ | $ | 2 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable - December 31, 2024 | ​ | 50,000 | ​ | $ | 0.51 | ​ | 0.25 | ​ | $ | 2 | ​
Summary of weighted average common shares | Weighted Average Common Shares ​
​ | ​ | ​ | ​ | ​
​ | At December 31, | ​
​ | 2024 |  | 2023 | ​
Basic Common Shares | 122,198,006 | ​ | 120,471,317 | ​
Effect of dilutive stock-based awards | 3,413,294 | ​ | — | ​
Diluted Common Shares | 125,611,300 | ​ | 120,471,317 | ​

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
Name: | us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Deferred Stock Units Activity [Table Text Block] + References No definition available. + Details
Name: | vgz_ScheduleOfDeferredStockUnitsActivityTableTextBlock
Namespace Prefix: | vgz_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the securities (Share based compensation) called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References No definition available. + Details
Name: | vgz_ScheduleOfWarrantsActivityUnderShareBasedCompensationPlanTableTextBlock
Namespace Prefix: | vgz_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration