Quarterly report pursuant to Section 13 or 15(d)

O. BUSINESS CONCENTRATION (Details Narrative)

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O. BUSINESS CONCENTRATION (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
One Supplier [Member]      
Due to suppliers $ 164,000   $ 470,000
Sales Revenue, Net [Member] | Two Customer [Member]      
Concentration percentage 25.00% 23.00%  
Accounts Receivable [Member] | Three Customer [Member]      
Concentration percentage 52.00%    
Accounts Receivable [Member] | One Customer [Member]      
Concentration percentage     21.00%
Supplier Concentration Risk [Member] | One Supplier [Member]      
Concentration percentage 63.00% 84.00%  
Purchases from major suppliers $ 62,000 $ 385,000