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Note 2 - Significant Accounting Policies and Condensed Financial Statement Components - Summary of Aging of Delinquent Loans and Fees Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Financing receivable, gross	$ 109.0	$ 118.0
Balance of loans greater than 90-days delinquent still accruing interest and fees	3.7	2.6
Loans at Amortized Cost [Member]
Financing receivable, gross	109.0	118.0
Financial Asset, 30 to 59 Days Past Due [Member]
Financing receivable, gross	7.6	9.4
Financial Asset, 60 to 89 Days Past Due [Member]
Financing receivable, gross	3.2	3.4
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing receivable, gross	4.7	3.5
Financial Asset, Past Due [Member]
Financing receivable, gross	15.5	16.3
Financial Asset, Not Past Due [Member]
Financing receivable, gross	$ 93.5	$ 101.7

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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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