Condensed Consolidated Statements Of Operations - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Revenue from External Customer [Line Items]
Revenues	$ 2,695,501	$ 3,434,314	$ 8,509,738	$ 9,044,619
Costs and expenses:
Cost of Goods and Services Sold	1,578,727	1,720,853	4,835,402	5,021,470
Marketing, general and administrative	1,117,534	938,161	3,401,902	3,108,177
Research and development	155,848	185,750	515,213	641,316
Total costs and expenses	2,852,109	2,844,764	8,752,517	8,770,963
(Loss) income from operations	(156,608)	589,550	(242,779)	273,656
Other (expense) income:
Other Nonoperating Income (Expense)	0	0	0	0
Interest expense	(5,541)	(4,315)	(16,888)	(15,188)
Net (loss) income	(162,149)	585,235	(259,667)	258,468
Preferred Stock Dividends, Income Statement Impact	12,830	13,006	38,842	38,735
Net Income (Loss) Available to Common Stockholders, Basic	$ (174,979)	$ 572,229	$ (298,509)	$ 219,733
Net income (loss) per share
Earnings (Loss) Per Share, Basic	$ (0.02)	$ 0.08	$ (0.04)	$ 0.03
Earnings (Loss) Per Share, Diluted	$ (0.02)	$ 0.04	$ (0.04)	$ 0.02
Weighted average shares - basic	7,415,329	7,415,329	7,415,329	7,415,329
Weighted Average Number of Shares Outstanding, Diluted	7,415,329	13,478,936	7,415,329	13,478,936
Product [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,567,387	$ 3,285,396	$ 8,101,834	$ 8,582,183
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 128,114	$ 148,918	$ 407,904	$ 462,436