XML 48 R33.htm IDEA: XBRL DOCUMENT
v3.21.2

Gold and Silver Rounds/Bullion (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Gold and Silver Rounds/Bullion |
Schedule of Company's Holdings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of September 30, 2021 | ​ | As of December 31, 2020
​ | ​ | (Unaudited) | ​ | ​
​ | ​ | Ounces | ​ | Per Ounce | ​ | Amount | ​ | Ounces | ​ | Per Ounce | ​ | Amount
​ | ​ | ​ | ​ | ​ | ​ | ​ | (in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | (in thousands)
Gold | ​ | 176 | ​ | $ | 1,743 | ​ | $ | 307 | ​ | 189 | ​ | $ | 1,888 | ​ | $ | 357
Silver | ​ | 11,715 | ​ | $ | 21.53 | ​ | ​ | 252 | ​ | 11,842 | ​ | $ | 26.49 | ​ | ​ | 314
Total holdings | ​ | ​ | ​ | ​ | ​ | ​ | $ | 559 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 671

X
- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -URI http://asc.fasb.org/topic&trid=2197064 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -URI http://asc.fasb.org/topic&trid=75115024 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI http://asc.fasb.org/topic&trid=2196965 + Details
Name: | us-gaap_InvestmentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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