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Note 2 - Significant Accounting Policies and Consolidated Financial Statement Components - Summary of Aging of Delinquent Loans and Fees Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing receivable, gross	$ 100,144	$ 98,425
Balance of loans greater than 90-days delinquent still accruing interest and fees	2,100	2,600
Loans at Amortized Cost [Member]
Financing receivable, gross	122,300	118,000
Financial Asset, 30 to 59 Days Past Due [Member]
Financing receivable, gross	7,800	9,400
Financial Asset, 60 to 89 Days Past Due [Member]
Financing receivable, gross	3,000	3,400
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing receivable, gross	3,200	3,500
Financial Asset, Past Due [Member]
Financing receivable, gross	14,000	16,300
Financial Asset, Not Past Due [Member]
Financing receivable, gross	$ 108,300	$ 101,700

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

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