Stock-Based Compensation (Details - Unvested Restricted Stock Awards) shares in Thousands	12 Months Ended
Dec. 31, 2023 $ / shares shares
Share-Based Payment Arrangement [Abstract]
Number of Shares, Beginning Balance \| shares	8
Weighted-Average Grant-Date Fair Value, Beginning Balance \| $ / shares	$ 57.60
Number of Shares Granted \| shares	11
Weighted-Average Grant-Date Fair Value Granted \| $ / shares	$ 26.20
Number of Shares Vested \| shares	(8)
Weighted-Average Grant-Date Fair Value Vested \| $ / shares	$ 56.60
Number of Shares Forfeited/canceled \| shares	0
Weighted-Average Grant-Date Fair Value Forfeited/canceled \| $ / shares	$ 0
Number of Shares, Ending balance \| shares	11
Weighted-Average Grant-Date Fair Value, Ending balance \| $ / shares	$ 28.20

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Per share or unit weighted-average intrinsic value of award forfeited under share-based payment arrangement. Excludes share and unit options.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average intrinsic value of award granted under share-based payment arrangement. Excludes share and unit options.

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Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Per share or unit weighted-average intrinsic value of award vested under share-based payment arrangement. Excludes share and unit options.

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