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OTHER CURRENT LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2020
Other Current Liabilities  
Schedule of other current liabilities

Other current liabilities at December 31, 2020 and 2019 consist of:

 

    December 31,  
    2020     2019  
Accrued payroll and payroll taxes   $ 1,411,728     $ 1,237,054  
Warranty liability     90,640       80,412  
Other accrued expenses     287,457       218,380  
    $ 1,789,825     $ 1,535,846