Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenues	$ 10,674,907	$ 9,923,355
Cost of goods sold	7,241,322	6,560,779
Gross profit	3,433,585	3,362,576
Research and development expenses, net	624,253	886,129
Selling, general and administrative expenses	3,714,915	3,899,430
Total operating expenses	4,339,168	4,785,559
Operating loss	(905,583)	(1,422,983)
Interest expense	(5,302)	(1,002)
Gain on forgiveness of bank note	808,962	0
Loss before provision for income taxes	(101,923)	(1,423,985)
Provision for income taxes	912	2,165
Net loss	$ (102,835)	$ (1,426,150)
Loss per share: Basic and fully diluted	$ (0.01)	$ (0.11)
Weighted average common shares outstanding: Basic and fully diluted	13,281,351	12,998,915