Stockholders' Equity - Schedule of Reconciliation of the Numerators and Denominators of the Basic and Diluted Earnings Per Share Computations (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Numerator: | ||||||||||
| Net income | $ 3,340,152 | $ 2,864,662 | $ 2,805,109 | $ 2,169,836 | $ 2,931,651 | $ 1,704,487 | $ 1,908,499 | $ 1,598,317 | $ 11,179,759 | $ 8,142,954 |
| Basic EPS: | ||||||||||
| Common shares outstanding, beginning of period | 2,896,368 | 2,733,958 | 2,896,368 | 2,733,958 | ||||||
| Unearned ESOP shares | (189,817) | (211,487) | ||||||||
| Weighted average common shares issued during the period | 55,777 | 60,416 | ||||||||
| Weighted average ESOP shares earned during the period | 7,964 | 8,149 | ||||||||
| Denominator for basic earnings per common shares – Weighted average common shares | 2,770,292 | 2,591,036 | ||||||||
| Diluted EPS: | ||||||||||
| Common shares outstanding, beginning of period | 2,896,368 | 2,733,958 | 2,896,368 | 2,733,958 | ||||||
| Unearned ESOP shares | (189,817) | (211,487) | ||||||||
| Weighted average common shares issued during the period | 55,777 | 60,416 | ||||||||
| Weighted average ESOP shares earned during the period | 7,964 | 8,149 | ||||||||
| Weighted average dilutive effect of stock options | 101,122 | 105,156 | ||||||||
| Denominator for diluted earnings per common shares – Weighted average common shares | 2,871,414 | 2,696,192 | ||||||||
| X | ||||||||||
- Definition Number of shares of other common stock instruments held by shareholder, including, but not limited to, exchangeable shares. No definition available.
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| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares of common stock subject to repurchase or cancellation determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Common stock subject to repurchase are outstanding common shares that are contingently returnable (that is, subject to recall). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of employee stock ownership plan (ESOP) shares that have not been committed to be released determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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