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ACCRUED EXPENSES (Details) - USD ($)
Sep. 30, 2023
Jun. 30, 2023
Sep. 30, 2022
Jun. 30, 2022
ACCRUED EXPENSES        
Employee compensation $ 238,000   $ 180,000  
Accrued warranty 61,000 $ 53,000 53,000 $ 55,000
Customer refund 383,000   139,000  
Legal fees 1,000   56,000  
Freight 20,000   29,000  
Sales tax 87,000   27,000  
Others 53,000   134,000  
Total $ 843,000 $ 618,000 $ 618,000