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LIQUIDITY AND CAPITAL RESOURCES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Liquidity and Capital Resources [Abstract]
Cash	$ 19,407		$ 19,407		$ 16,985
Accumulated deficit	(153,483)		(153,483)		$ (140,702)
Net loss	$ (3,398)	$ (10,085)	(12,773)	$ (28,607)
Net cash used in operating activities			$ (9,425)	$ (10,234)

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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