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Note 6 - Investments - Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
US Government Agencies Debt Securities [Member]
Less than 12 months, estimated fair value	$ 2,471	$ 2,417
Less than 12 Months	20	28
Greater than 12 months, estimated fair value	2,103	7,984
Greater than 12 Months	48	190
Estimated fair value	4,574	10,401
Total, debt securities	68	218
US States and Political Subdivisions Debt Securities [Member]
Less than 12 months, estimated fair value	299	331
Less than 12 Months	1	1
Greater than 12 months, estimated fair value	1,082	1,981
Greater than 12 Months	26	72
Estimated fair value	1,381	2,312
Total, debt securities	27	73
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Less than 12 months, estimated fair value	813	3,006
Less than 12 Months	3	57
Greater than 12 months, estimated fair value	3,456	5,477
Greater than 12 Months	247	376
Estimated fair value	4,269	8,483
Total, debt securities	250	433
Asset-Backed Securities [Member]
Less than 12 months, estimated fair value	61	254
Less than 12 Months	0	0
Greater than 12 months, estimated fair value	451	756
Greater than 12 Months	13	22
Estimated fair value	512	1,010
Total, debt securities	13	22
Corporate Debt Securities [Member]
Less than 12 months, estimated fair value	425	966
Less than 12 Months	1	10
Greater than 12 months, estimated fair value	6,263	7,274
Greater than 12 Months	226	432
Estimated fair value	6,688	8,240
Total, debt securities	227	442
Fixed Maturities [Member]
Less than 12 months, estimated fair value	4,069	6,974
Less than 12 Months	25	96
Greater than 12 months, estimated fair value	13,355	23,472
Greater than 12 Months	560	1,092
Estimated fair value	17,424	30,446
Total, debt securities	$ 585	$ 1,188

X

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