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6. EARNINGS PER SHARE (Tables)
3 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Schedule of earnings per share

The weighted average number of shares outstanding used to compute earnings per share is as follows:

 

   Three Months Ended September 30, 
   2020   2019 
Net income attributable to Parent Company  $6,920,360   $253,938 
           
Weighted-average shares of common stock outstanding:          
Basic shares outstanding   10,666,059    10,570,203 
Dilutive effect of common stock equivalents arising from stock options   151,991    135,297 
Diluted shares outstanding   10,818,050    10,705,500 
Basic earnings per share  $0.65   $0.02 
Diluted earnings per share  $0.64   $0.02