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Income Taxes (Details - Reconciliation) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Statutory federal provision (benefit) for income taxes	$ (809)	$ (2,224)
Increase (decrease) resulting from:
Stock options	(320)	(121)
Other permanent differences	(9)	10
Change in valuation allowance	1,285	1,467
Foreign tax credit	(84)	(67)
Global intangible low-tax income inclusion	82	86
Controlled foreign corporation inclusion	0	4
Foreign tax rate variances	299	886
Acquisition costs	53	0
Other	(302)	103
Provision for income taxes	$ 195	$ 144

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The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.

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The tax effects of employee stock option transactions that are recognized differently for financial reporting and tax purposes, occurring during the period and charged or credited directly to shareholders' equity.

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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