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Foreign Operations (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
China
Assets	$ 16,500,000	$ 16,900,000
Net assets	13,900,000	14,500,000
Latvia
Assets	9,500,000	8,200,000
Net assets	$ 8,200,000	$ 7,800,000

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The reporting currency-denominated asset value.

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