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3. FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule of fair value measurement
       Fair value measurement at reporting date using 
       Quoted prices in active markets for identical assets   Significant other observable inputs   Significant unobservable inputs 
   Balance   (Level 1)   (Level 2)   (Level 3) 
                 
September 30, 2019  $834,000   $   $   $834,000 
Payout of deferred consideration   (200,000)           (200,000)
December 31, 2019  $634,000   $   $   $634,000