3. BUSINESS COMBINATION - Additional Information (Details) $ in Thousands, € in Millions				6 Months Ended		12 Months Ended
	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Jan. 31, 2023 EUR (€)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2023 EUR (€)	Jan. 31, 2023 EUR (€)
Business Acquisition [Line Items]
Escrow Deposit Disbursements Related to Property Acquisition				$ 3,263	$ 0
Revenue of the acquiree since the acquisition date				1,100
Acquisition-related Costs [Member]
Business Acquisition [Line Items]
Revenues						$ 1,100
Ibeo Automotive Systems GmbH [Member]
Business Acquisition [Line Items]
Consideration transferred		$ 21,600	€ 19.9	21,556
Payments to Acquire Productive Assets	$ 700	7,600	7.0
Escrow Deposit Disbursements Related to Property Acquisition		3,300	3.0	3,263
Business combination deferred consideration		2,900	2.7	2,928
Acquisition-related costs		600
Earnings or loss of the acquiree since the acquisition date				15,100
Consideration Payable Held In Escrow Monetary Instant Credit Consideration payable held In Escrow		7,100		$ 7,120		$ 4,100		€ 6.6
Payments of Merger Related Costs		700	€ 0.6
Business combination remaining consideration payable after approval of holdback calculations | €							€ 2.7
Ibeo Automotive Systems GmbH [Member] | Minimum [Member]
Business Acquisition [Line Items]
Consideration Payable Held In Escrow Monetary Instant Credit Consideration payable held In Escrow		$ 3,000