Finance Receivables (Details - Charge-offs for financed receivables) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Past Due [Line Items]
Charge-offs	$ 329	$ 1,001
Vintage Pool 2014 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	135	70
Vintage Pool 2015 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	27	115
Vintage Pool 2016 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	105	377
Vintage Pool 2017 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	62	481
Applied Against Repos In Inventory Member [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	$ 0	$ (42)

Amount of increase in allowance for credit loss on accounts receivable, from recovery.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
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