FAIR VALUE MEASUREMENTS - Net gain (loss) on changes in fair value (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2023
FAIR VALUE MEASUREMENTS
Net gain on changes in fair value	$ (61)	$ 424
Private warrants
FAIR VALUE MEASUREMENTS
Net gain on changes in fair value	(27)	254
Foxconn warrants
FAIR VALUE MEASUREMENTS
Net gain on changes in fair value	$ (34)	$ 170

Amount of expense (income) related to adjustment to fair value of warrant liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 13
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481766/480-10-25-13

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration