XML 48 R37.htm IDEA: XBRL DOCUMENT v3.20.2
15. ACCRUED WARRANTY (Tables)
6 Months Ended
Jun. 30, 2020
Less: Accumulated Amortization  
Warranty Reserve Activity
   

June 30, 2020

(Unaudited)

   

December 31,

2019

 
Beginning accrued warranty costs   $ 30,000     $ 30,000  
Provision for warranty expense     61,864       2,609  
Settlement of warranty claims     (1,864 )     (2,609 )
Ending accrued warranty costs   $ 90,000     $ 30,000