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REVENUE RECOGNITION (Details - Contract liabilities) - USD ($)
3 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Revenue from Contract with Customer [Abstract]    
Contract liabilities, beginning of period $ 1,174,690 $ 905,113
Unearned revenue received from customers 433,119 455,613
Revenue recognized (182,826) (327,835)
Contract liabilities, end of period $ 1,424,983 $ 1,032,891