Note 6 - Investments - Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
US Government Agencies Debt Securities [Member]
Less than 12 months, estimated fair value	$ 2,053	$ 2,477
Less than 12 Months	14	21
Greater than 12 months, estimated fair value	9,633	2,370
Greater than 12 Months	98	26
Estimated fair value	11,686	4,847
Total, debt securities	112	47
US States and Political Subdivisions Debt Securities [Member]
Less than 12 months, estimated fair value	230	300
Less than 12 Months	5	0
Greater than 12 months, estimated fair value	466	1,088
Greater than 12 Months	9	20
Estimated fair value	696	1,388
Total, debt securities	14	20
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Less than 12 months, estimated fair value	3,965	336
Less than 12 Months	41	1
Greater than 12 months, estimated fair value	4,601	3,433
Greater than 12 Months	255	225
Estimated fair value	8,566	3,769
Total, debt securities	296	226
Asset-Backed Securities [Member]
Less than 12 months, estimated fair value	1,020	0
Less than 12 Months	8	0
Greater than 12 months, estimated fair value	142	417
Greater than 12 Months	10	11
Estimated fair value	1,162	417
Total, debt securities	18	11
Corporate Debt Securities [Member]
Less than 12 months, estimated fair value	3,005	408
Less than 12 Months	24	0
Greater than 12 months, estimated fair value	5,203	6,113
Greater than 12 Months	146	183
Estimated fair value	8,208	6,521
Total, debt securities	170	183
Fixed Maturities [Member]
Less than 12 months, estimated fair value	10,273	3,521
Less than 12 Months	92	22
Greater than 12 months, estimated fair value	20,045	13,421
Greater than 12 Months	518	465
Estimated fair value	30,318	16,942
Total, debt securities	$ 610	$ 487

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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