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Product Warranty Provisions (Tables)
3 Months Ended
Mar. 31, 2020
Product Warranties Disclosures [Abstract]  
Schedule of Accrued Warranty

Accrued warranty, which is included in other accrued liabilities, consists of the following:

 

    March 31, 2020     December 31, 2019  
Warranty accrual, beginning of the fiscal period   $ 141,697     $ 149,464  
Accrual adjustment for product warranty     7,637       56,118  
Payments made     (15,901 )     (63,885 )
Warranty accrual, end of the fiscal period   $ 133,433     $ 141,697