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COMMITMENTS AND CONTINGENCIES - License agreement (Details) - Advanced NeuroRehabilitation, LLC - License Agreement for Exclusive Right on Patent Pending Technology - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
COMMITMENTS AND CONTINGENCIES
Percentage of royalty on net revenue			4.00%
Royalty expense	$ 7	$ 10	$ 12	$ 14

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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