Represents the number of equity securities sold during the period.

No definition available.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117546-209714

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- Definition

Amount of increase (decrease) of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3444-108585

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- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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MARKETABLE EQUITY SECURITIES (Details) $ in Thousands		3 Months Ended		9 Months Ended
MARKETABLE EQUITY SECURITIES (Details) $ in Thousands	Sep. 30, 2020 USD ($) shares	Mar. 31, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares	Mar. 31, 2021 USD ($) shares	Mar. 15, 2021 $ / shares	Jun. 30, 2020 USD ($)
Marketable Securities
Proceeds from sale of Contango shares				$ 12,146
Fair value changes in equity securities		$ 1,900		4,000
Investment value		$ 9,800		9,800		$ 17,900
Contango
Marketable Securities
Number of shares sold \| shares	809,744		809,744
Proceeds from sale of Contango shares	$ 12,100
Mark-to-market increase on sale			$ 3,600	$ 3,600
Battle North Gold
Marketable Securities
Investment shares owned (in shares) \| shares		3,949,575		3,949,575
Battle North Gold \| Evolution Mining Limited
Marketable Securities
Investment shares (price per shares) \| $ / shares					$ 2.65
TriStar
Marketable Securities
Common stock that can be purchased by warrants (in shares) \| shares		19,640,000		19,640,000