Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 3,557,086	$ 3,360,124	$ 6,758,954	$ 6,734,062
Cost of goods sold	2,152,129	2,251,684	4,181,071	4,557,932
Gross profit	1,404,957	1,108,440	2,577,883	2,176,130
Selling, general and administrative expenses	1,546,741	1,584,523	3,356,800	3,120,802
Loss from operations	(141,784)	(476,083)	(778,917)	(944,672)
Interest income	238,686	208,809	459,044	421,668
Income (loss) before income tax provision	96,902	(267,274)	(319,873)	(523,004)
Income tax provision	2,760	1,879	5,520	3,758
Net income (loss)	$ 94,142	$ (269,153)	$ (325,393)	$ (526,762)
Income (loss) per common share:
Basic (in dollars per share)	$ 0.01	$ (0.03)	$ (0.03)	$ (0.06)
Diluted (in dollars per share)	$ 0.01	$ (0.03)	$ (0.03)	$ (0.06)
Weighted-average number of shares:
Basic (in shares)	9,355,686	9,241,208	9,332,844	9,238,002
Diluted (in shares)	9,629,535	9,241,208	9,332,844	9,238,002