REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Summary of changes in contract assets and liabilities for the nine months ended September 30, 2020 and 2019:

	Nine Months Ended September 30,
	2020		2019
Contract assets
Contract assets, beginning	$	—	$	36,000
Contract assets at beginning of year transferred to accounts receivable	—		(36,000)
Reversal of contract assets due to changes in transaction price	—		(8,000)
Contract assets recorded on contracts during the period	—		8,000
Contract assets, ending	$	—	$	—
Contract liabilities
Contract liabilities, beginning	$	1,731,000	$	271,000
Recognition of revenue included in beginning of year contract liabilities	(1,679,000)		(199,000)
Contract liabilities, net of revenue recognized on contracts during the period	2,326,000		2,037,000
Contract liabilities, ending	$	2,378,000	$	2,109,000