COMMITMENTS AND CONTINGENCIES (Tables)

6 Months Ended

Jun. 30, 2020

COMMITMENTS AND CONTINGENCIES

Schedule of changes in the carrying amount of the total product warranty liability

	For the Six Months Ended June 30,
	2020		2019
Balance, beginning of period	$	163	$	226
Reduction of warranty reserve		(82)		(4)
Warranty claims		—		(19)
Other adjustments		(19)		11
Balance, end of period	$	62	$	214

Schedule of the activity in the accounts receivable allowance liability

	For the Six Months Ended June 30,
	2020		2019
Balance at beginning of period	$	127	$	190
Bad debt expense		114		2
Write-offs		(47)		(14)
Other adjustments		(33)		—
Balance at end of period	$	161	$	178