REVENUES (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Changes in Advances from Customers

The following table presents the significant changes in the advances from customers balance during the twelve months ended December 31, 2020:

	Year ended December 31,
	2020			2019
Balance, beginning of the period	$	1,563		$	727
New performance obligations		1,677			893
Reclassification to revenue as a result of satisfying performance obligation		(917	)		(57	)
Balance, end of the period	$	2,323		$	1,563

Schedule of Contract Assets and Liabilities

The following table summarizes our contract assets and liabilities balances:

	2020			2019
Contract assets at January 1,	$	1,269		$	899
Contract assets at December 31,	$	756		$	1,269
Change in contract assets – increase (decrease)	$	(513	)	$	370
Contract liabilities at January 1,	$	196		$	366
Contract liabilities at December 31,	$	232		$	196
Change in contract liabilities – increase (decrease)	$	36		$	(170	)
Net change	$	(477	)	$	200