Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common stock [Member]	Preferred stock [Member]	Accumulated deficit [Member]	Total
Balance, shares at Jun. 30, 2022	3,639,663	3,351,000
Balance, amount at Jun. 30, 2022	$ 33,533,003	$ 7,980,788	$ (19,815,233)	$ 21,698,558
Stock-based compensation, shares	16,901
Stock-based compensation, amount	$ 60,401	0	0	60,401
Preferred stock dividend, in common stock, issued or to be issued, shares	59,687
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 170,576	0	(170,576)	0
Net loss	$ 0	$ 0	(505,926)	(505,926)
Balance, shares at Sep. 30, 2022	3,716,251	3,351,000
Balance, amount at Sep. 30, 2022	$ 33,763,980	$ 7,980,788	(20,491,735)	21,253,033
Stock-based compensation, shares	11,521
Stock-based compensation, amount	$ 25,955	0	0	25,955
Preferred stock dividend, in common stock, issued or to be issued, shares	68,838
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 173,128	0	(173,128)	0
Net loss	$ 0	$ 0	(840,867)	(840,867)
Balance, shares at Dec. 31, 2022	3,796,610	3,351,000
Balance, amount at Dec. 31, 2022	$ 33,963,063	$ 7,980,788	(21,505,730)	20,438,121
Stock-based compensation, shares	5,154
Stock-based compensation, amount	$ 22,848	0	0	22,848
Preferred stock dividend, in common stock, issued or to be issued, shares	88,762
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 174,873	0	(174,873)	0
Net loss	$ 0	$ 0	(1,245,493)	(1,245,493)
Balance, shares at Mar. 31, 2023	3,890,526	3,351,000
Balance, amount at Mar. 31, 2023	$ 34,160,784	$ 7,980,788	(22,926,096)	19,215,476
Adjustment for fractional shares (in shares)	7,224
Adjustment for fractional shares	$ 0	0	0	0
Stock-based compensation, shares	156
Stock-based compensation, amount	$ 22,132	0	0	22,132
Preferred stock dividend, in common stock, issued or to be issued, shares	147,078
Preferred stock dividend, in common stock, issued or to be issued, amount	$ 172,399	0	(172,399)	0
Net loss	$ 0	$ 0	(2,381,082)	(2,381,082)
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