XML 24 R11.htm IDEA: XBRL DOCUMENT
v3.21.2

Plant And Equipment | 6 Months Ended
--- | ---
Jun. 30, 2021
Plant and Equipment |
Plant And Equipment | 5. Plant and Equipment ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2021 | ​ | December 31, 2020 | ​
​ | ​ | ​ | ​ | ​ | Accumulated | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Accumulated | ​ | ​ | ​ | ​
​ |  | Cost |  | Depreciation |  | Net |  | Cost |  | Depreciation |  | Net |
Mt Todd, Australia | ​ | $ | 5,364 | ​ | $ | 5,186 | ​ | $ | 178 | ​ | $ | 5,306 | ​ | $ | 5,163 | ​ | $ | 143 | ​
Corporate, United States | ​ | ​ | 333 | ​ | ​ | 333 | ​ | ​ | — | ​ | ​ | 333 | ​ | ​ | 333 | ​ | ​ | — | ​
Used mill equipment, Canada | ​ | ​ | 5,500 | ​ | ​ | — | ​ | ​ | 5,500 | ​ | ​ | 5,500 | ​ | ​ | — | ​ | ​ | 5,500 | ​
​ | ​ | $ | 11,197 | ​ | $ | 5,519 | ​ | $ | 5,678 | ​ | $ | 11,139 | ​ | $ | 5,496 | ​ | $ | 5,643 | ​
​ The used mill equipment is not in use and is listed for sale through a third-party mining equipment dealer. This equipment is not classified as held for sale due to uncertainty as to whether a sale can be completed within one year.

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

X
- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration