Note 12 - Fair Value - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Mortgage-backed securities	$ 88,663,324	$ 92,730,852
Fair Value, Recurring [Member]
Mortgage-backed securities	88,663,000	92,731,000
Orchid Island Capital, Inc. common stock	5,082,000	4,797,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Mortgage-backed securities	0	0
Orchid Island Capital, Inc. common stock	5,082,000	4,797,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Mortgage-backed securities	88,663,000	92,731,000
Orchid Island Capital, Inc. common stock	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Mortgage-backed securities	0	0
Orchid Island Capital, Inc. common stock	$ 0	$ 0

The fair value as of the balance sheet date of firm holdings in mortgages, mortgage backed securities (investment instruments that represent ownership of an undivided interest in a group of mortgages, where principal and interest from the individual mortgages are used to pay investors' principal and interest on the mortgage backed security) and asset-backed securities that are primarily paid from the cash flows of a discrete pool of receivables or other financial assets (such as credit-card receivables), either fixed or revolving, that by their terms convert into cash within a finite time period. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479035/940-320-45-2

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