XML 21 R10.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Gold and Silver Bullion | 6 Months Ended
--- | ---
Jun. 30, 2018
Gold and Silver Bullion |
Gold and Silver Bullion | 4. Gold and Silver Rounds/Bullion The Company periodically purchases gold and silver bullion on the open market for investment purposes and to use in its dividend exchange program under which shareholders may exchange their cash dividends for minted gold and silver rounds. During the six months ended June 30, 2018 and 2017, the Company purchased nil ounces and 151.55 ounces, respectively, of gold bullion. At June 30, 2018 and December 31, 2017, the Company’s holdings of rounds/bullion, using quoted market prices, consisted of the following:
|  | 2018 |  | 2017
|  | Ounces |  | Per Ounce |  | Amount |  | Ounces |  | Per Ounce |  | Amount
|  |  |  |  |  |  | (in thousands) |  |  |  |  |  |  | (in thousands)
Gold |  | 1,904 |  | $ | 1,250 |  | $ | 2,380 |  | 1,905 |  | $ | 1,291 |  | $ | 2,459
Silver |  | 80,099 |  | $ | 16.03 |  |  | 1,284 |  | 80,224 |  | $ | 16.87 |  |  | 1,353
Total holdings |  |  |  |  |  |  | $ | 3,664 |  |  |  |  |  |  | $ | 3,812

X
- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
Name: | invest_InvestmentTextBlock
Namespace Prefix: | invest_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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