Annual report pursuant to Section 13 and 15(d)

A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

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A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of allowance for doubtful accounts

The allowance for doubtful accounts for the years ended December 31 are as follows:

 

    2020     2019  
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  
Schedule of diluted EPS

Shares used in the calculation of diluted EPS for the years ended December 31, 2020 and 2019 are summarized below:

 

    2020     2019  
Weighted average common shares outstanding - basic     136,231,562       135,213,641  
Dilutive effect of stock options     –       –  
Weighted average common shares outstanding - diluted     136,231,562       135,213,641  
Schedule of product warranties

Product warranties for the years ended December 31 are as follows:

 

    2020     2019  
Beginning balance   $ 58,791     $ 46,103  
Warranty claims incurred     (20,499 )     (66,803 )
Provision charged to expense     7,036       79,491  
Ending balance   $ 45,328     $ 58,791