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Foreign Operations (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2017
Foreign currency translation adjustment $ 69,262 $ 43,629 $ 123,409 $ 75,182  
Gain (loss) on foreign currency     409,000 $ (272,000)  
CHINA          
Assets in foreign locations 14,400,000   14,400,000   $ 14,000,000
Net assets in foreign locations 12,400,000   12,400,000   12,300,000
LATVIA          
Assets in foreign locations 6,400,000   6,400,000   6,100,000
Net assets in foreign locations $ 6,100,000   $ 6,100,000   $ 6,000,000