Represents adjusted capital.

No definition available.

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- Definition

Represents debt covenant adjusted capital.

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No definition available.

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Represents line of credit facility maximum borrowing capacity percent.

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No definition available.

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- Definition

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

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No definition available.

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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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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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, after deduction of 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 ($)		1 Months Ended				3 Months Ended		7 Months Ended
Note 4 - Debt (Details Textual) - USD ($)	Apr. 30, 2022	May 31, 2022	May 31, 2021	Mar. 31, 2020	Mar. 31, 2017	Mar. 31, 2023	Mar. 31, 2022	Jul. 31, 2022	Dec. 31, 2022	May 28, 2022
Long-Term Debt						$ 15,000,000			$ 15,000,000
Repayments of Long-Term Debt, Total						(0)	$ 3,054
Minimum [Member]
Adjusted Capital						60,000,000.0
Revolving Credit Facility [Member] \| Quad City Bank & Trust [Member]
Debt Instrument, Collateral Amount						4,000,000.0
Long-Term Line of Credit, Total						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
Revolving Credit Facility [Member] \| American Bank & Trust [Member]
Interest Expense, Total						0	$ 0
Federal Home Loan Bank of Chicago [Member]
Debt Instrument, Collateral Amount						19,100,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available						$ 44,300,000
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, Term (Year)			5 years
Debt Instrument, Interest Rate, Stated Percentage			0.74%
Proceeds from FHLBank Borrowings, Financing Activities			$ 4,000,000.0
Federal Home Loan Bank of Chicago [Member] \| FHLBC May 2021 [Member]
Debt Instrument, Collateral Amount										$ 5,000,000.0
Federal Home Loan Bank of Chicago [Member] \| FHLBC May 2021 Loan [Member]
Debt Instrument, Term (Year)		5 years
Debt Instrument, Interest Rate, Stated Percentage		1.36%
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