Consolidated Statements Of Operations - USD ($)	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Revenue from External Customer [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ (333,730)	$ 304,214
Revenues	$ 2,604,816	$ 2,675,069
Weighted average shares - basic	7,415,329	7,415,329
Cost of Goods and Services Sold	$ 1,548,372	$ 1,663,874
Research and development	264,241	291,189
Other Nonoperating Income (Expense)	0	506,305
Interest Expense	4,827	4,600
Loss from operations	(315,897)	(184,485)
Net (loss) income	(320,724)	317,220
Preferred Stock Dividends, Income Statement Impact	13,006	13,006
Marketing, general and administrative	1,108,100	904,491
Costs and Expenses	2,920,713	2,859,554
Nonoperating Income (Expense)	$ (4,827)	$ 501,705
Earnings (Loss) Per Share, Basic	$ (0.05)	$ 0.04
Weighted Average Number of Shares Outstanding, Diluted	7,415,329	12,876,202
Earnings (Loss) Per Share, Diluted	$ (0.05)	$ 0.02
Costs and expenses:
Cost of Goods and Services Sold	$ 1,548,372	$ 1,663,874
Marketing, general and administrative	1,108,100	904,491
Research and development	264,241	291,189
Total costs and expenses	2,920,713	2,859,554
Loss from operations	(315,897)	(184,485)
Other (expense) income:
Other Nonoperating Income (Expense)	0	506,305
Interest expense	(4,827)	(4,600)
Total other (expense) income	(4,827)	501,705
Net (loss) income	(320,724)	317,220
Preferred Stock Dividends, Income Statement Impact	13,006	13,006
Net Income (Loss) Available to Common Stockholders, Basic	$ (333,730)	$ 304,214
Net income (loss) per share
Earnings (Loss) Per Share, Basic	$ (0.05)	$ 0.04
Earnings (Loss) Per Share, Diluted	$ (0.05)	$ 0.02
Weighted average shares - basic	7,415,329	7,415,329
Weighted Average Number of Shares Outstanding, Diluted	7,415,329	12,876,202
Geographic Concentration Risk [Member]
Revenue from External Customer [Line Items]
Revenues		$ 2,675,000
Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue from External Customer [Line Items]
Revenues	$ 2,605,000	2,675,000
International [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue from External Customer [Line Items]
Revenues	985,000	1,050,000
Product [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,442,337	2,479,777
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 162,479	$ 195,292