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Derivative Instruments (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Kinross [Member]
Gain (Loss) on derivative instruments		$ 1,000	$ 106,000	$ 8,000	$ 139,000
Sale of covered calls against holdings				8,000
Vendetta Warrants [Member]
Gain (Loss) on derivative instruments		$ 2,000	$ 36,000	$ 42,000	$ 49,000
Stock purchased	3,450,000
Stock purchased, value	$ 233,000
Purchase price	$ 0.13
Marketable equity securities	$ 165,000
Allocation of the purchase price of Vendetta units	$ 68,000

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- Definition

The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

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Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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