NOTES PAYABLE AND CONVERTIBLE NOTES - LI Lending LLC Additional Information (Details) $ / shares in Units, $ in Thousands			1 Months Ended			3 Months Ended
	Jan. 29, 2024 USD ($) shares $ / shares	Apr. 30, 2020 USD ($)	Jan. 31, 2024 $ / shares shares	Jul. 31, 2023 USD ($)	Dec. 31, 2020	Mar. 31, 2024 USD ($) draw	Mar. 31, 2023 USD ($)	Jan. 29, 2024 $ / shares	Dec. 31, 2023 USD ($)	Aug. 10, 2023 $ / shares shares	Jan. 01, 2022	May 10, 2019 USD ($)
Debt Instrument [Line Items]
Debt, net amount						$ 66,101			$ 84,173
Loss on extinguishment of debt						11,752	$ 0
Warrants Exercisable Through May 1, 2026
Debt Instrument [Line Items]
Number of securities called by each warrant (in shares) | shares										1
Warrants exercise price (in dollar per share) | $ / shares										$ 0.17
Warrants Exercisable Through May 1, 2026 | Related Party
Debt Instrument [Line Items]
Number of securities called by each warrant (in shares) | shares										1
Warrants exercise price (in dollar per share) | $ / shares										$ 0.17
LI Lending LLC Loan Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit facility												$ 50,000
Amount drawn						$ 45,000
Number of draws made | draw						2
Percentage of exit fee of the principal balance						20.00%
Increase in interest rate					2.50%
Debt amount agreed to convert	$ 23,000
Debt Instrument agreed to be converted into equity instruments (in shares) | shares	244,680,852
Debt instrument, convertible, stock price trigger (in dollars per share) | $ / shares	$ 0.125		$ 0.125
Debt conversion, restoring of voting interest percentage	18.43%		18.43%
Interest payable	$ 200
Loss on extinguishment of debt						$ 11,800
Interest expense, debt						800	1,900
Repayments of debt						800	$ 1,600
LI Lending LLC Loan Agreement | Loan Conversion Warrants
Debt Instrument [Line Items]
Warrants exercise price (in dollar per share) | $ / shares			$ 0.14					$ 0.14
Issuance of warrant purchase (in shares) | shares	36,702,127		36,702,127
LI Lending LLC Loan Agreement | LI Lending Facility, Draw One
Debt Instrument [Line Items]
Amount drawn		$ 33,000				$ 35,000
Interest rate						10.25%
Debt prepayment		$ 2,000
Interest rate on initial loan amount											12.75%
LI Lending LLC Loan Agreement | LI Lending Facility, Draw Two
Debt Instrument [Line Items]
Amount drawn						$ 10,000
Interest rate						12.25%
Interest rate on final loan amount											14.75%
First Amendment To LI Lending LLC Loan Agreement
Debt Instrument [Line Items]
Debt stated Interest rate				12.00%
First Amendment To LI Lending LLC Loan Agreement | Related Party
Debt Instrument [Line Items]
Line of credit facility, exit fee				$ 9,000
Deferred interest				9,200
Debt, net amount				51,700
Debt extension fee				$ 500