Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common stock [Member]	Preferred stock [Member]	Accumulated deficit [Member]	Total
Balance, shares at Jun. 30, 2023	4,044,984	3,351,000
Balance, amount at Jun. 30, 2023	$ 34,355,315	$ 7,980,788	$ (25,479,577)	$ 16,856,526
Stock-based compensation, shares	13,399
Stock-based compensation, amount	$ 19,173	0	0	19,173
Preferred stock dividend, in common stock, issued or to be issued, shares	201,656
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 197,059	0	(197,059)	0
Net loss	$ 0	$ 0	(330,654)	(330,654)
Balance, shares at Sep. 30, 2023	4,260,039	3,351,000
Balance, amount at Sep. 30, 2023	$ 34,571,547	$ 7,980,788	(26,007,290)	16,545,045
Stock-based compensation, shares	8,080
Stock-based compensation, amount	$ (3,848)	0	0	(3,848)
Preferred stock dividend, in common stock, issued or to be issued, shares	262,718
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 191,244	0	(191,244)	0
Net loss	$ 0	$ 0	(1,011,416)	(1,011,416)
Balance, shares at Dec. 31, 2023	4,530,837	3,351,000
Balance, amount at Dec. 31, 2023	$ 34,758,943	$ 7,980,788	(27,209,950)	15,529,781
Stock-based compensation, shares	10,154
Stock-based compensation, amount	$ (16,492)	0	0	(16,492)
Preferred stock dividend, in common stock, issued or to be issued, shares	341,384
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 183,668	0	(183,668)	0
Net loss	$ 0	$ 0	(667,722)	(667,722)
Balance, shares at Mar. 31, 2024	4,882,375	3,351,000
Balance, amount at Mar. 31, 2024	$ 34,926,119	$ 7,980,788	(28,061,340)	14,845,567
Stock-based compensation, shares	0
Stock-based compensation, amount	$ 2,804	0	0	2,804
Preferred stock dividend, in common stock, issued or to be issued, shares	426,144
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 158,902	0	(158,902)	0
Net loss	$ 0	$ 0	(687,927)	(687,927)
Balance, shares at Jun. 30, 2024	5,308,519	3,351,000
Balance, amount at Jun. 30, 2024	$ 35,087,825	$ 7,980,788	(28,908,169)	14,160,444
Stock-based compensation, shares	12,000
Stock-based compensation, amount	$ 1,200	0	0	1,200
Preferred stock dividend, in common stock, issued or to be issued, shares	575,745
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 167,738	0	(167,738)	0
Net loss	$ 0	$ 0	(366,648)	(366,648)
Balance, shares at Sep. 30, 2024	5,896,264	3,351,000
Balance, amount at Sep. 30, 2024	$ 35,256,763	$ 7,980,788	$ (29,442,555)	$ 13,794,996