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12. ACCRUED WARRANTY (Tables)
12 Months Ended
Dec. 31, 2018
Accrued Warranty Tables Abstract  
Warranty reserve activity
   

December 31,

2018

   

December 31,

2017

 
Beginning accrued warranty costs   $ 5,000     $ -  
Provision for warranty expense     47,454       10,731  
Settlement of warranty claims     (22,454 )     (5,731 )
Ending accrued warranty costs   $ 30,000     $ 5,000