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Marketable Securities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Marketable Securities
Amount of purchases	$ 0	$ 0	$ 0	$ 6,027,000
Amount of sales	0	15,000	0	15,000
Gross realized gains	0		0
Gross unrealized gains		2,000		2,000
Gross realized losses	0		0
Gross unrealized losses		$ 0		$ 0
Marketable equity securities	$ 0		$ 0

X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

Amount of unrealized gain before deducting unrealized loss on marketable securities.

+ References

No definition available.

+ Details

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- Definition

Amount of unrealized loss before deducting unrealized gain on marketable securities.

+ References

No definition available.

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- Definition

Amount of investment in marketable security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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Period Type:	instant

X

- References

No definition available.

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X

- Definition

Amount of cash outflow for purchase of marketable security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481830/320-10-45-11

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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.

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