Annual report pursuant to Section 13 and 15(d)

A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details - Doubtful accounts)

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A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details - Doubtful accounts) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Beginning balance $ 55,039 $ 65,542
Provision charged to expense 5,092 29,849
Deductions (52,158) (40,352)
Ending balance $ 7,973 $ 55,039