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Other Investments

12 Months Ended

Dec. 31, 2021

Other Investments

Other Investments

3. Other Investments

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Short-term investments

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As of December 31, 2021 and 2020, the amortized cost basis of our short-term investments was $384 and $400, respectively. The amortized cost basis approximates fair value at December 31, 2021 and 2020. Short-term investments at December 31, 2021 and 2020 are comprised of Australian or U.S. Government instruments, all of which have maturity dates greater than 90 days but less than one year.

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Other investments

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The Company held 1,333,334 shares of Nusantara Resources Limited (“Nusantara Resources”) as of December 31, 2020. On September 22, 2021, the shareholders of Nusantara Resources approved a scheme of arrangement whereby PT Indika Mineral Investindo (“Indika”) offered to acquire all issued shares of Nusantara Resources for A$0.35 per share. The transaction closed on October 6, 2021, resulting in Vista receiving $339 upon tendering its Nusantara Resources shares.

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Investments in marketable securities are recorded at fair value in the Consolidated Balance Sheets. Subsequent changes in fair value are recorded in the Consolidated Statements of Income/(Loss) in the period in which they occur. During the year ended December 31, 2020, the Company sold its common shares of Midas Gold Corp. (“Midas Gold Shares”) for net proceeds of $5,788 at a gain of $2,574 compared to the most recent measurement period. Cumulative realized loss since acquisition of these Midas Gold Shares in April 2011 was $11,841, of which $14,415 was recognized in previous periods as unrealized loss, net.

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The following table summarizes our investments in marketable securities as of December 31, 2021 and 2020.

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​	​	​	​	​	​	​	​
​		December 31, 2021			December 31, 2020		​
Fair value at beginning of period	​	$	293	​	$	3,676	​
Midas Gold Shares sold	​	​	—	​	​	(5,788)	​
Nusantara Resources shares sold	​	​	(339)	​	​	—	​
Realized gain	​	​	46	​	​	2,405	​
Fair value at end of period	​	$	—	​	$	293	​

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The entire disclosure for investments in certain debt and equity securities.

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