Finance Receivables (Details - Amortized cost basis) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Amortized cost basis of finance receivables	$ 3,109	$ 5,420
Vintage Pool 2015 [Member]
Financing Receivable, Past Due [Line Items]
Amortized cost basis of finance receivables	158	294
Vintage Pool 2016 [Member]
Financing Receivable, Past Due [Line Items]
Amortized cost basis of finance receivables	739	1,336
Vintage Pool 2017 [Member]
Financing Receivable, Past Due [Line Items]
Amortized cost basis of finance receivables	$ 2,212	$ 3,790

Amortized cost, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-1

Name:	us-gaap_NotesAndLoansReceivableGrossCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant