Finance Receivables (Details - Charge-offs for financed receivables) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Past Due [Line Items]
Charge-offs	$ 431	$ 1,897	$ 1,432	$ 4,914
Vintage Pool 2014 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	110	67	180	208
Vintage Pool 2015 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	69	297	182	741
Vintage Pool 2016 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	268	713	645	2,034
Vintage Pool 2017 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	43	1,230	526	2,732
Applied Against Repos In Inventory Member [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	$ (59)	$ (410)	$ (101)	$ (801)

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
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
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