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CHINA JOINT VENTURE (Details Textual) - USD ($)
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2018
Gain (Loss) on Investments $ 870,001 $ 831,433  
Chief Executive Officer [Member]      
Equity Method Investment, Ownership Percentage 6.00%    
Power Sav [Member]      
Equity Method Investment, Ownership Percentage 40.00%    
Payments to Acquire Interest in Joint Venture $ 3,300,000    
Ensync Inc [Member]      
Equity Method Investment, Ownership Percentage 60.00%    
Payments to Acquire Interest in Joint Venture $ 200,000    
Anhui Meineng Store Energy Co Ltd [Member]      
Capitalization, Amount of Equity 14,800,000   $ 14,800,000
Holdco [Member]      
Contribution Of Technology Upon License Agreement 4,100,000    
Basis In The Technology Contributed Related To Research And Development Expenditures $ 0    
Meineng Energy [Member]      
Equity Method Investment, Ownership Percentage 30.00%   30.00%