WARRANTY OBLIGATIONS (Tables)

9 Months Ended

Sep. 30, 2020

Product Warranties Disclosures [Abstract]

Schedule of Warranty Obligations

Changes in the Company’s product warranty obligations for the nine months ended September 30, 2020 and 2019 were as follows:

	Nine months ended September 30,
	2020			2019
Balance, at beginning of period	$	172,563		$	121,826
Additions and adjustments to cost of revenues		74,465			79,791
Usage and current warranty expenses		(51,334	)		(30,263	)
Balance, at end of period		195,694			171,354
Less current portion		(65,080	)		(45,887	)
Long-term portion	$	130,614		$	125,467