Note 4 - Investments - Details Investments by Major Investment Category (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Fixed income securities, held-to-maturity		$ 3,123	$ 3,122
Fair value total		4,330	4,366
Amortized cost total		4,361	4,402
US Government Agencies Debt Securities [Member]
Fair value	[1]	3,092	3,086
Fixed income securities, held-to-maturity	[1]	3,123	3,122
Gross unrealized gains		0	0
Gross unrealized losses		(31)	(36)
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Fair value	[2]	1,238	1,280
Amortized costs	[2]	$ 1,238	$ 1,280

[1] Our held-to-maturity investment portfolio is reported at amortized cost, net of valuation allowance. All securities within the portfolio are rated AA+ by Standard & Poor’s Rating Services (“S&P”).

[2] As of March 31, 2024, there are no unfunded commitments related to the investment in limited partnership. This limited partnership invests in property catastrophe risk through customized reinsurance solutions. The underlying assets of the limited partnership are one year or less in duration and the Company’s proceeds may be redeemed or reinvested annually. Changes in net asset value of the investment in limited partnership are included in Net investment income on the Company’s Unaudited Consolidated Statements of Operations.