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Represents debt covenant adjusted capital.

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Represents line of credit facility maximum borrowing capacity percent.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of assets pledged to secure a debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the cost of borrowed funds accounted for as interest expense.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Note 4 - Debt (Details Textual) - USD ($)		1 Months Ended				9 Months Ended
Note 4 - Debt (Details Textual) - USD ($)	May 31, 2022	Apr. 30, 2022	May 31, 2021	Mar. 31, 2020	Mar. 31, 2017	Sep. 30, 2022	Sep. 30, 2021	Jul. 31, 2022	Dec. 31, 2021
Long-Term Debt, Total						$ 15,000,000.0			$ 18,500,000
Repayments of Long-Term Debt, Total						8,455,342	$ 4,007,552
Minimum [Member]
Adjusted Capital						55,000,000.0
Revolving Credit Facility [Member] \| American Bank & Trust [Member]
Debt Instrument, Face Amount	$ 5,000,000.0
Debt Instrument, Term (Year)	5 years
Debt Instrument, Interest Rate, Stated Percentage	1.36%		0.00%
Debt Instrument, Collateral Amount			$ 5,000,000.0
Interest Expense, Total						0	$ 0
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member]
Debt Instrument, Collateral Amount						4,000,000.0
Debt Covenant Adjusted Capital						$ 21,000,000.0
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						0.50%
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member] \| Minimum [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 2,000,000.0
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member] \| Minimum [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						4.75%
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member] \| Maximum [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 4,000,000.0
Federal Home Loan Bank of Chicago [Member]
Debt Instrument, Collateral Amount						$ 18,800,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available						$ 42,000,000.0
Line of Credit Facility Maximum Borrowing Capacity Percent						25.00%
Federal Home Loan Bank of Chicago [Member] \| Federal Home Loan Bank Advances, One [Member]
Debt Instrument, Term (Year)				5 years
Debt Instrument, Interest Rate, Stated Percentage				1.40%
Proceeds from FHLBank Borrowings, Financing Activities				$ 6,000,000.0
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged				$ 6,800,000
Federal Home Loan Bank of Chicago [Member] \| Federal Home Loan Bank Advances, Two [Member]
Debt Instrument, Interest Rate, Stated Percentage			0.74%
Proceeds from FHLBank Borrowings, Financing Activities			$ 4,000,000.0
Loans Payable [Member]
Debt Instrument, Face Amount					$ 3,500,000
Debt Instrument, Term (Year)					5 years
Debt Instrument, Interest Rate, Stated Percentage					3.65%
Debt Instrument, Collateral Amount					$ 1,000,000.0
Repayments of Long-Term Debt, Total		$ 3,500,000