FAIR VALUE MEASUREMENT - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial assets:
SBH purchase option and other derivative assets	$ 2,000	$ 2,300
Debt interest rate conversion feature	715	1,320
Total Financial Assets	2,715	3,620
Financial Liabilities:
Debt conversion option	6,738	12,995
Level 1
Financial assets:
SBH purchase option and other derivative assets	0	0
Debt interest rate conversion feature	0	0
Total Financial Assets	0	0
Financial Liabilities:
Debt conversion option	0	0
Level 2
Financial assets:
SBH purchase option and other derivative assets	0	0
Debt interest rate conversion feature	0	0
Total Financial Assets	0	0
Financial Liabilities:
Debt conversion option	6,738	12,995
Level 3
Financial assets:
Debt interest rate conversion feature	715	1,320
Total Financial Assets	2,715	3,620
Financial Liabilities:
Debt conversion option	$ 0	$ 0