Condensed Consolidated Statements Of Operations - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenue from External Customer [Line Items]
Revenues	$ 3,434,314	$ 2,416,127	$ 9,044,619	$ 7,791,953
Costs and expenses:
Cost of Goods and Services Sold	1,720,853	1,477,651	5,021,470	4,681,088
Marketing, general and administrative	938,161	1,001,074	3,108,177	2,855,373
Research and development	185,750	229,315	641,316	780,943
Total costs and expenses	2,844,764	2,708,040	8,770,963	8,317,404
Income (loss) from operations	589,550	(291,913)	273,656	(525,451)
Other (expense) income:
Other Nonoperating Income (Expense)	0	0	0	506,305
Interest expense	(4,315)	(4,103)	(15,188)	(12,804)
Total other (expense) income	(4,315)	(4,103)	(15,188)	493,501
Net income (loss)	585,235	(296,016)	258,468	(31,950)
Preferred Stock Dividends, Income Statement Impact	13,006	13,006	38,735	39,018
Net Income (Loss) Available to Common Stockholders, Basic	$ 572,229	$ (309,022)	$ 219,733	$ (70,968)
Net income (loss) per share
Earnings (Loss) Per Share, Basic	$ 0.08	$ (0.04)	$ 0.03	$ (0.01)
Earnings (Loss) Per Share, Diluted	$ 0.04	$ (0.04)	$ 0.02	$ (0.01)
Weighted average shares - basic	7,415,329	7,415,329	7,415,329	7,415,329
Weighted Average Number of Shares Outstanding, Diluted	13,478,936	7,415,329	13,478,936	7,415,329
Product [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 3,285,396	$ 2,259,860	$ 8,582,183	$ 7,261,134
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 148,918	$ 156,267	$ 462,436	$ 530,819