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NATURE OF BUSINESS (Details) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net loss	$ (724)	$ (853)	$ (1,387)	$ (798)	$ (1,170)	$ (1,544)	$ (8,007)	$ (2,240)	$ (2,714)	$ (2,964)	$ (3,512)	$ (1,980)	$ (4,159)
Net cash used in operating activities												(647)	(3,480)
Cash and cash equivalents												3,980	5,196
Short-term investments												5,000	4,880
Working capital												7,843
Accumulated deficit	$ 134,549	$ 133,825	$ 132,972	$ 130,938	$ 130,140	$ 128,970		$ 133,825	$ 130,140	$ 134,549	$ 130,938	$ 133,565	$ 131,585	$ 127,426

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