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- Definition

The interest rate of financing receivable.

+ References

No definition available.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of accumulated unrealized loss on 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 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.

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Percentage added to reference rate used to compute variable rate on loan receivable.

+ References

No definition available.

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- Definition

Amount of investments classified as other.

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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.

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Note 2 - Investments (Details Textual)	3 Months Ended		12 Months Ended
Note 2 - Investments (Details Textual)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2021 USD ($)
Debt Securities, Available-for-Sale	$ 97,481,837		$ 93,388,971
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	8,275,349		3,945,837
Other-than-temporary Impairment Loss, Debt Securities, Available-for-Sale, Recognized in Earnings	0	$ 0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	639,418	$ 1,292,692
Other Investments	5,073,580		4,722,137
Federal Home Loan Bank of Chicago [Member]
Other Investments	425,000		425,000
Notes Receivable [Member]
Other Investments	4,433,950		4,082,507
Privately Held Investments [Member]
Other Investments	214,630		214,630
Notes Issued on July 30, 2019 [Member]
Debt Instrument Accumulated Payments Received	11,224		244,046
Increase (Decrease) in Accrued Interest Receivable, Net	2,667		10,496
Financing Receivable, Allowance for Credit Loss, Ending Balance	$ 0		0
Notes Issued on July 30, 2019 [Member] \| Prime Rate [Member]
Loans Receivable, Basis Spread on Variable Rate	0.25%
Notes Issued on July 30, 2019 [Member] \| Minimum [Member]
Financing Receivable, Interest Rate	3.90%
Notes Issued on July 30, 2019 [Member] \| Minimum [Member] \| Prime Rate [Member]
Loans Receivable, Basis Spread on Variable Rate	4.00%
Notes Issued on July 30, 2019 [Member] \| Maximum [Member]
Financing Receivable, Interest Rate	7.25%
Private Investment Fund [Member]
Other Investments				$ 10,000,000.0
Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale	$ 7,877,374		10,567,904
Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale	23,391,756		19,288,540
Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale	$ 8,990,549		$ 8,946,897
Fixed Income Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	232
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	136
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ 8,275,349