DEBT - Significant Inputs (Details)	Sep. 30, 2021 yr	Jul. 23, 2021 yr
Minimum | Conversion discount
Debt Instrument [Line Items]
Debt instrument, measurement input	0.15	0.15
Minimum | Volatility
Debt Instrument [Line Items]
Debt instrument, measurement input	0.525	0.550
Minimum | Dividend yield
Debt Instrument [Line Items]
Debt instrument, measurement input	0	0
Minimum | Risk-free rate
Debt Instrument [Line Items]
Debt instrument, measurement input	0	0.001
Minimum | Expected term (in years)
Debt Instrument [Line Items]
Debt instrument, measurement input	0.3	0.4
Maximum | Conversion discount
Debt Instrument [Line Items]
Debt instrument, measurement input	0.30	0.30
Maximum | Volatility
Debt Instrument [Line Items]
Debt instrument, measurement input	0.525	0.550
Maximum | Dividend yield
Debt Instrument [Line Items]
Debt instrument, measurement input	0	0
Maximum | Risk-free rate
Debt Instrument [Line Items]
Debt instrument, measurement input	0.003	0.003
Maximum | Expected term (in years)
Debt Instrument [Line Items]
Debt instrument, measurement input	4.8	5.0
Weighted Average | Conversion discount
Debt Instrument [Line Items]
Debt instrument, measurement input	0.16	0.18
Weighted Average | Volatility
Debt Instrument [Line Items]
Debt instrument, measurement input	0.525	0.550
Weighted Average | Dividend yield
Debt Instrument [Line Items]
Debt instrument, measurement input	0	0
Weighted Average | Risk-free rate
Debt Instrument [Line Items]
Debt instrument, measurement input	0	0.001
Weighted Average | Expected term (in years)
Debt Instrument [Line Items]
Debt instrument, measurement input	0.6	1.0