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Note 6 - Investments - Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
US Government Agencies Debt Securities [Member]
Less than 12 months, estimated fair value	$ 1,878	$ 2,417
Less than 12 Months	17	28
Greater than 12 months, estimated fair value	4,431	7,984
Greater than 12 Months	112	190
Estimated fair value	6,309	10,401
Total, debt securities	129	218
US States and Political Subdivisions Debt Securities [Member]
Less than 12 months, estimated fair value	323	331
Less than 12 Months	1	1
Greater than 12 months, estimated fair value	1,380	1,981
Greater than 12 Months	55	72
Estimated fair value	1,703	2,312
Total, debt securities	56	73
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Less than 12 months, estimated fair value	1,591	3,006
Less than 12 Months	19	57
Greater than 12 months, estimated fair value	4,100	5,477
Greater than 12 Months	302	376
Estimated fair value	5,691	8,483
Total, debt securities	321	433
Asset-Backed Securities [Member]
Less than 12 months, estimated fair value	314	254
Less than 12 Months	0	0
Greater than 12 months, estimated fair value	537	756
Greater than 12 Months	19	22
Estimated fair value	851	1,010
Total, debt securities	19	22
Corporate Debt Securities [Member]
Less than 12 months, estimated fair value	596	966
Less than 12 Months	4	10
Greater than 12 months, estimated fair value	6,962	7,274
Greater than 12 Months	346	432
Estimated fair value	7,558	8,240
Total, debt securities	350	442
Fixed Maturities [Member]
Less than 12 months, estimated fair value	4,702	6,974
Less than 12 Months	41	96
Greater than 12 months, estimated fair value	17,410	23,472
Greater than 12 Months	834	1,092
Estimated fair value	22,112	30,446
Total, debt securities	$ 875	$ 1,188

X

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