XML 65 R54.htm IDEA: XBRL DOCUMENT v3.21.1
Foreign Operations (Details) - USD ($)
Mar. 31, 2021
Jun. 30, 2020
China    
Assets $ 21,500,000 $ 19,000,000
Net assets 18,100,000 16,200,000
Latvia    
Assets 10,600,000 9,800,000
Net assets $ 8,500,000 $ 8,200,000