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Deferred Consideration—Gold Payments (Details) $ / shares in Units, shares in Thousands, $ in Thousands | May 10, 2023 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) oz | Dec. 31, 2023 USD ($)
--- | --- | --- | ---
Deferred Consideration [Line Items] |  |  |
Cash |  | $ 35,120 | $ 29,156
ETFS Capital [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Deferred consideration (in Ounces) | oz |  | 9,500 |
Contractual gold payments [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Deferred consideration (in Ounces) | oz |  | 6,333 |
Series C Redeemable Convertible Preferred Stock [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Preferred stock shares issued (in Shares) | shares | 13,087 |  |
Conversion of stock shares converted (in Shares) | shares | 13,087,000 |  |
Series C Redeemable Convertible Preferred Stock [Member] | ETFS Capital [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Preferred stock par value (in Dollars per share) | $ / shares | $ 0.01 |  |
Series C Redeemable Convertible Preferred Stock [Member] | ETFS Capital [Member] | Gold Bullion Holdings [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Cash | $ 4,371 |  |
Series C Redeemable Convertible Preferred Stock [Member] | ETFS Capital [Member] | Rodber Investments Limited [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Cash | 45,634 |  |
SPA Agreement [Member] |  |  |
Deferred Consideration [Line Items] |  |  |
Aggregate consideration | $ 136,903 |  |

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