Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Schedule of product warranties

Product warranties for the three months ended March 31, 2020 and the year ended December 31, 2019 are as follows:

 

    March 31,
2020
  December 31,
2019
Beginning balance   $ 58,791     $ 46,103  
Warranty claims incurred     (2,947 )     (66,803 )
Provision charged to expense     5,898       79,491  
Ending balance   $ 61,742     $ 58,791