DEBT - Narrative (Details)	1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2023 USD ($) tranche	Apr. 30, 2022 USD ($) tranche	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Debt Instrument [Line Items]
Loss on debt extinguishment					$ 181,000	$ 0
Hercules Loan and Security Agreement | Secured Debt
Debt Instrument [Line Items]
Principal amount	$ 150,000,000	$ 75,000,000
Debt instrument, number of tranches | tranche	4	4
Debt instrument, face amount, first tranche	$ 50,000,000	$ 25,000,000
Debt instrument, face amount, second tranche	20,000,000	10,000,000
Debt instrument, face amount, third tranche	20,000,000	15,000,000
Debt instrument, face amount, fourth tranche	60,000,000	25,000,000
Proceeds from term loan	$ 15,000,000	5,000,000
Debt issuance cost		200,000	$ 0		0
Lenders facility fee		100,000
Other expenses		$ 100,000
Effective interest rate		9.30%
Interest expense			$ 400,000	$ 200,000	$ 800,000	$ 300,000
Interest rate	7.45%		8.95%		8.95%
Maximum interest rate	8.95%
Term fee	6.00%	6.00%
Loss on debt extinguishment	$ 200,000
Hercules Loan and Security Agreement | Secured Debt | Prime Rate
Debt Instrument [Line Items]
Basis spread	4.20%
Hercules Loan and Security Agreement | Secured Debt | Through December 15, 2023
Debt Instrument [Line Items]
Debt instrument, face amount, first tranche	$ 5,000,000
Hercules Loan and Security Agreement | Secured Debt | July 1, 2024 through December 15, 2024
Debt Instrument [Line Items]
Debt instrument, face amount, first tranche	$ 25,000,000