Income Taxes (Details Narrative) - USD ($)	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Statutory income tax rate	21.00%	21.00%
Income tax benefit	$ 933,915	$ 763,998
Income tax receivable	0
Valuation allowance for deferred tax assets	15,644,000	17,044,000
R&D and other credits	$ 2,177,000	$ 2,108,000
CHINA
Statutory income tax rate	25.00%
LATVIA
Statutory income tax rate	25.00%
LPOIZ \| CHINA
Statutory income tax rate	15.00%	15.00%

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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