Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Income Statement [Abstract]
Net sales	$ 12,136,903	$ 13,608,740	$ 21,229,779	$ 24,051,958
Cost of sales	7,924,322	10,445,028	13,800,196	18,087,364
Gross profit	4,212,581	3,163,712	7,429,583	5,964,594
Selling, general and administrative expenses	1,141,440	1,139,275	2,292,706	2,220,944
Operating income	3,071,141	2,024,437	5,136,877	3,743,650
Other income
Interest income	436,903	260,222	909,263	527,839
Other	7,791	8,203	27,213	18,994
Total other income	444,694	268,425	936,476	546,833
Income before provision for income taxes	3,515,835	2,292,862	6,073,353	4,290,483
Provision for income taxes	710,726	384,363	1,098,408	783,667
Net income	2,805,109	1,908,499	4,974,945	3,506,816
Other comprehensive income, net of tax:
Unrealized (loss) gain on investment securities	668	(9,232)	4,225	(1,540)
Total comprehensive income	$ 2,805,777	$ 1,899,267	$ 4,979,170	$ 3,505,276
Net income per share:
Basic (in Dollars per share)	$ 1.02	$ 0.74	$ 1.82	$ 1.37
Diluted (in Dollars per share)	$ 0.99	$ 0.71	$ 1.75	$ 1.32
Weighted average number of shares outstanding:
Basic (in Shares)	2,751,137	2,583,307	2,735,262	2,554,622
Diluted (in Shares)	2,845,860	2,707,542	2,845,556	2,653,890
Dividends per share: (in Dollars per share)	$ 0.25	$ 0.25	$ 1.25	$ 0.5