FAIR VALUE MEASUREMENT (Schedule of Fair Value Assumptions) (Details) - 2024 Notes - Level 3	Dec. 31, 2021 $ / shares	Aug. 25, 2021
Share Price.
Debt Instrument, Measurement Input	0.83	1.34
Expected term
Debt Instrument, Measurement Input	2.67	3.03
Risk free rate
Debt Instrument, Measurement Input	0.90	0.44
Volatility
Debt Instrument, Measurement Input	92.79	91.35
Yield
Debt Instrument, Measurement Input	10.31	7.66