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8. FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Jun. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of assets at fair value
    Carrying Value     Quoted prices in active markets (Level 1)     Other quoted/observable inputs (Level 2)     Significant unobservable inputs (Level 3)  
June 30, 2020:                        
Money Market Account   $ 82,406,697     $ 82,406,697     $ -     $ -  
June 30, 2019:                                
Money Market Account   $ 43,381,556     $ 43,831,556     $ -     $ -