6. Income Taxes (Details - Deferred Income Taxes) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Deferred tax asset:
Net operating losses	$ 507,402	$ 1,767,365
State tax	520	169
Lease accounting	10,078	0
Intangibles	38,154	22,678
Tax credits	346,091	666,380
Inventory reserve	103,450	165,160
Other, net	38,085	44,853
Total deferred tax assets	1,043,780	2,666,605
Deferred tax liabilities:
Deferred state taxes	(61,692)	0
Fixed asset	(43,900)	(25,100)
Total deferred tax liabilities	(105,592)	(25,100)
Less valuation allowance	0	(358,530)
Net deferred tax asset	$ 938,188	$ 2,282,975