Consolidated Statements Of Operations - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 9,626,663	$ 11,402,272
Costs and expenses:
Cost of Goods and Services Sold	4,997,461	6,299,720
Marketing, general and administrative	4,142,392	4,397,498
Research and development	739,765	500,334
Total costs and expenses	9,879,618	11,197,552
(Loss) income from operations	(252,955)	204,720
Other (expense) income:
Other Nonoperating Income (Expense)	11,122	500,000
Interest income	9,170	4,642
Interest expense	(17,353)	(125,687)
Total other (expense) income	2,939	378,955
Net (loss) income	(250,016)	583,675
Preferred Stock Dividends, Income Statement Impact	51,600	19,368
Net Income (Loss) Available to Common Stockholders, Basic	$ (301,616)	$ 564,307
Net income (loss) per share
Earnings Per Share, Basic	$ (0.04)	$ 0.07
Earnings Per Share, Diluted	$ (0.04)	$ 0.06
Weighted average shares - basic	7,415,329	7,551,057.0
Weighted average shares - diluted	7,415,329	9,141,468
Product [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 8,707,154	$ 10,550,272
Service [Member]
Revenue from External Customer [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 919,509	$ 852,000