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Note 1 - Organization and Significant Accounting Policies - Debt Securities by Maturity (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Within one year, amortized cost	$ 2,981
Within one year, fair value	2,957
After one year through two years, amortized cost	4,919
After one year through two years, fair value	4,807
After two years through three years, amortized cost	1,441
After two years through three years, fair value	1,409
Amortized cost	9,341
Fair value	$ 9,173

X

- Definition

Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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