Consolidated Statements Of Operations - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,898,088	$ 2,739,893	$ 5,311,882	$ 5,027,881
Impairment of Intangible Assets (Excluding Goodwill)	0	605,006	0	605,006
Net Income (Loss) Available to Common Stockholders, Basic	85,470	(688,349)	(124,053)	(79,982)
Costs and expenses:
Cost of Goods and Services Sold	1,665,820	1,452,179	3,169,689	2,628,849
Marketing, general and administrative	883,987	1,093,930	1,776,164	2,093,357
Research and development	244,529	261,759	453,851	507,397
Impairment of Intangible Assets (Excluding Goodwill)	0	605,006	0	605,006
Total costs and expenses	2,794,336	3,412,874	5,399,704	5,834,609
Income (loss) from operations	103,752	(672,981)	(87,822)	(806,728)
Other (expense) income:
Other Nonoperating Income (Expense)	0	0	0	758,021
Interest income	193	1,757	732	2,840
Interest expense	(5,469)	(4,119)	(10,987)	(8,103)
Total other (expense) income	(5,276)	(2,362)	(10,255)	752,758
Net loss	98,476	(675,343)	(98,077)	(53,970)
Preferred Stock Dividends, Income Statement Impact	13,006	13,006	25,976	26,012
Net Income (Loss) Available to Common Stockholders, Basic	$ 85,470	$ (688,349)	$ (124,053)	$ (79,982)
Net income (loss) per share
Earnings (Loss) Per Share, Basic	$ 0.01	$ (0.09)	$ (0.02)	$ (0.01)
Earnings (Loss) Per Share, Diluted	$ 0.01	$ (0.09)	$ (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	12,706,562	7,415,329	7,415,329	7,415,329
Product [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,655,456	$ 2,497,107	$ 4,839,712	$ 4,549,286
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 242,632	$ 242,786	$ 472,170	$ 478,595