6. Income Taxes (Details- Deferred Tax Assets and Liabilities) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Net Operating loss carryforwards	$ 2,827,000	$ 2,607,000
Stock compensation expense	783,000	658,000
Amortization of patents	48,000	48,000
Reserve for obsolete inventory	46,000	46,000
Gross deferred tax assets	3,704,000	3,359,000
Less valuation discounts	(3,704,000)	(3,359,000)
Net deferred tax assets	$ 0	$ 0