BUSINESS COMBINATIONS - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended				6 Months Ended
	Jul. 07, 2022	Apr. 25, 2022	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2024	Mar. 31, 2023
BUSINESS COMBINATIONS
Net loss attributable to common shareholders			$ (48,079)	$ (15,388)	$ (9,994)	$ (87,323)	$ (63,467)	$ (97,317)
Histion LLC Acquisition
BUSINESS COMBINATIONS
Consideration in cash		$ 950
Shares issued (in shares)		17,618
Common shares value		$ 364
Principal amount		$ 433
Protypia, Inc.
BUSINESS COMBINATIONS
Consideration in cash	$ 9,460
Shares issued (in shares)	74,997
Common shares value	$ 806
Principal amount	$ 600
Weighted-average estimated useful life	8 years 1 month 6 days
Goodwill deductible for tax purposes	$ 0