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Foreign Operations (Details) - USD ($)
Dec. 31, 2021
Jun. 30, 2021
Assets $ 51,856,713 $ 54,610,990
CHINA    
Assets 19,600,000 20,100,000
Net Assets 15,700,000 16,600,000
LATVIA    
Assets 11,100,000 11,300,000
Net Assets $ 9,500,000 $ 9,000,000.0