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CUSTOMER AND VENDOR CONCENTRATIONS - Customer concentrations (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2022
CUSTOMER AND VENDOR CONCENTRATIONS          
Outstanding receivables $ 1,419,000   $ 1,419,000   $ 1,762,000
Sales | Customer concentration | Customer one          
CUSTOMER AND VENDOR CONCENTRATIONS          
Concentration risk percentage 17.00% 20.00% 17.00% 23.00%  
Sales | Customer concentration | Customer two          
CUSTOMER AND VENDOR CONCENTRATIONS          
Concentration risk percentage 10.00% 18.00%   10.00%  
Sales | Customer concentration | Customer three          
CUSTOMER AND VENDOR CONCENTRATIONS          
Concentration risk percentage       10.00%  
Outstanding receivable | Customer concentration          
CUSTOMER AND VENDOR CONCENTRATIONS          
Outstanding receivables $ 265,000 $ 240,000 $ 265,000 $ 240,000