Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock	Capital in Excess of Par Value	Accumulated Other Comprehensive Gain	Retained Earnings	Treasury Stock	Unearned ESOP Shares	Total
Balance at Jun. 30, 2023	$ 1,043,291	$ 23,283,245	$ (2,429)	$ 21,867,720	$ (6,038,691)	$ (4,273,378)	$ 35,879,758
Balance (in Shares) at Jun. 30, 2023	2,702,633
Balance (in Shares) at Jun. 30, 2023					427,241
Net income				3,921,844			3,921,844
Other comprehensive income (gain), net of tax			7,568				7,568
Total comprehensive income							3,929,412
Stock options exercised		316,007			$ 188,206		504,213
Stock options exercised (in Shares)	30,125				(30,125)
Stock-based compensation		206,575					206,575
Dividends paid on common stock, per share				(1,178,008)			(1,178,008)
Balance at Mar. 31, 2024	$ 1,043,291	23,805,827	5,139	24,611,556	$ (5,850,485)	(4,273,378)	39,341,950
Balance (in Shares) at Mar. 31, 2024	2,732,758
Balance (in Shares) at Mar. 31, 2024					397,116
Balance at Dec. 31, 2023	$ 1,043,291	23,448,890	2,988	24,015,739	$ (6,013,701)	(4,273,378)	38,223,829
Balance (in Shares) at Dec. 31, 2023	2,706,633
Balance (in Shares) at Dec. 31, 2023					423,241
Net income				1,031,930			1,031,930
Other comprehensive income (gain), net of tax			2,151				2,151
Total comprehensive income							1,034,081
Stock options exercised		281,517			$ 163,216		444,733
Stock options exercised (in Shares)	26,125				(26,125)
Stock-based compensation		75,420					75,420
Dividends paid on common stock, per share				(436,113)			(436,113)
Balance at Mar. 31, 2024	$ 1,043,291	23,805,827	5,139	24,611,556	$ (5,850,485)	(4,273,378)	39,341,950
Balance (in Shares) at Mar. 31, 2024	2,732,758
Balance (in Shares) at Mar. 31, 2024					397,116
Balance at Jun. 30, 2024	$ 1,043,291	23,930,428	6,544	26,004,790	$ (5,842,988)	(3,868,093)	$ 41,273,972
Balance (in Shares) at Jun. 30, 2024	2,733,958						2,733,958
Balance (in Shares) at Jun. 30, 2024					395,916		395,916
Net income				5,211,303			$ 5,211,303
Other comprehensive income (gain), net of tax			187				187
Total comprehensive income							5,211,490
Stock options exercised		955,621			$ 526,164		1,481,785
Stock options exercised (in Shares)	82,600				(82,600)
Stock-based compensation		286,256					286,256
Dividends paid on common stock, per share				(1,928,756)			(1,928,756)
Balance at Mar. 31, 2025	$ 1,043,291	25,172,305	6,731	29,287,337	$ (5,316,824)	(3,868,093)	$ 46,324,747
Balance (in Shares) at Mar. 31, 2025	2,816,558						2,816,558
Balance (in Shares) at Mar. 31, 2025					313,316		313,316
Balance at Dec. 31, 2024	$ 1,043,291	24,851,718	5,004	28,232,545	$ (5,447,820)	(3,868,093)	$ 44,816,645
Balance (in Shares) at Dec. 31, 2024	2,796,758
Balance (in Shares) at Dec. 31, 2024					333,116
Net income				1,704,487			1,704,487
Other comprehensive income (gain), net of tax			1,727				1,727
Total comprehensive income							1,706,214
Stock options exercised		227,364			$ 130,996		358,360
Stock options exercised (in Shares)	19,800				(19,800)
Stock-based compensation		93,223					93,223
Dividends paid on common stock, per share				(649,695)			(649,695)
Balance at Mar. 31, 2025	$ 1,043,291	$ 25,172,305	$ 6,731	$ 29,287,337	$ (5,316,824)	$ (3,868,093)	$ 46,324,747
Balance (in Shares) at Mar. 31, 2025	2,816,558						2,816,558
Balance (in Shares) at Mar. 31, 2025					313,316		313,316