Consolidated Statements Of Operations - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenue from External Customer [Line Items]
Revenues	$ 2,739,893	$ 2,418,880	$ 5,027,881	$ 4,677,263
Costs and expenses:
Cost of Goods and Services Sold	1,452,179	1,280,173	2,628,849	2,483,306
Marketing, general and administrative	1,093,930	1,138,916	2,093,357	2,141,153
Research and development	261,759	226,338	507,397	322,746
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	605,006	0	605,006	0
Operating Costs and Expenses	3,412,874	2,645,427	5,834,609	4,947,205
Loss from operations	(672,981)	(226,547)	(806,728)	(269,942)
Other (expense) income:
Other Nonoperating Income (Expense)	0	11,122	758,021	11,122
Interest income	1,757	864	2,840	3,374
Interest expense	(4,119)	(3,422)	(8,103)	(10,273)
Total other (expense) income	(2,362)	8,564	752,758	4,223
Net loss	(675,343)	(217,983)	(53,970)	(265,719)
Preferred Stock Dividends, Income Statement Impact	13,006	13,006	26,012	26,011
Net Income (Loss) Available to Common Stockholders, Basic	$ (688,349)	$ (230,989)	$ (79,982)	$ (291,730)
Net income (loss) per share
Earnings (Loss) Per Share, Basic	$ (0.09)	$ (0.03)	$ (0.01)	$ (0.04)
Earnings (Loss) Per Share, Diluted	$ (0.09)	$ (0.03)	$ (0.01)	$ (0.04)
Weighted average shares - basic	7,415,329	7,415,329	7,415,329	7,415,329
Weighted average shares - diluted	7,415,329	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	$ 2,497,107	$ 2,197,050	$ 4,549,286	$ 4,219,433
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 242,786	$ 221,830	$ 478,595	$ 457,830