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				427,241
Net income				2,889,914			2,889,914
Other comprehensive income (loss), net of tax			5,417				5,417
Total comprehensive income							2,895,331
Stock options exercised		34,490			$ 24,990		59,480
Stock options exercised (in Shares)	4,000				(4,000)
Stock-based compensation		131,155					131,155
Dividends paid on common stock, per share				(741,895)			(741,895)
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				423,241
Balance at Sep. 30, 2023	$ 1,043,291	23,373,388	(634)	22,591,316	$ (6,013,701)	(4,273,378)	36,720,282
Balance (in Shares) at Sep. 30, 2023	2,706,633				423,241
Net income				1,795,370			1,795,370
Other comprehensive income (loss), net of tax			3,622				3,622
Total comprehensive income							1,798,992
Stock-based compensation		75,502					75,502
Dividends paid on common stock, per share				(370,947)			(370,947)
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				423,241
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				395,916		2,733,958
Net income				3,506,816			$ 3,506,816
Other comprehensive income (loss), net of tax			(1,540)				(1,540)
Total comprehensive income							3,505,276
Stock options exercised		728,257			$ 395,168		1,123,425
Stock options exercised (in Shares)	62,800				(62,800)
Stock-based compensation		193,033					193,033
Dividends paid on common stock, per share				(1,279,061)			(1,279,061)
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				333,116		2,796,758
Balance at Sep. 30, 2024	$ 1,043,291	24,111,147	14,236	26,969,864	$ (5,777,389)	(3,868,093)	$ 42,493,056
Balance (in Shares) at Sep. 30, 2024	2,744,458				385,416
Net income				1,908,499			1,908,499
Other comprehensive income (loss), net of tax			(9,232)				(9,232)
Total comprehensive income							1,899,267
Stock options exercised		649,030			$ 329,569		978,599
Stock options exercised (in Shares)	52,300				(52,300)
Stock-based compensation		91,541					91,541
Dividends paid on common stock, per share				(645,818)			(645,818)
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				333,116		2,796,758