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SHAREHOLDERS' EQUITY - Weighted-Average Assumption for Valuations (Details) - $ / shares
9 Months Ended 12 Months Ended
Feb. 17, 2021
Mar. 31, 2022
Jun. 30, 2021
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Remaining contractual term (years)   8 years 7 months 6 days 8 years 8 months 12 days
Market price of Common Stock      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Market price of Common Stock $ 11.99 $ 7.06  
Market price of Common Stock | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Market price of Common Stock 11.99 7.06  
Market price of Common Stock | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Market price of Common Stock 11.99 7.06  
Exercise price      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Exercise price 70.48 65.75  
Exercise price | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Exercise price 84.19 70.48  
Exercise price | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Exercise price $ 63.88 $ 63.84  
Risk-free interest rate      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Risk-free interest rate 0.30% 0.40%  
Risk-free interest rate | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Risk-free interest rate 0.60% 1.00%  
Risk-free interest rate | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Risk-free interest rate 0.10% 0.20%  
Dividend rate      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Dividend rate 0.00% 0.00%  
Dividend rate | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Dividend rate 0.00% 0.00%  
Dividend rate | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Dividend rate 0.00% 0.00%  
Remaining contractual term (years)      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Remaining contractual term (years) 2 years 6 months 2 years 6 months  
Remaining contractual term (years) | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Remaining contractual term (years) 4 years 7 months 6 days 5 years 3 months 18 days  
Remaining contractual term (years) | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Remaining contractual term (years) 1 year 6 months 1 year 4 months 24 days  
Historical volatility      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Historical volatility 119.90% 113.90%  
Historical volatility | Stock Options.      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Historical volatility 112.60% 118.40%  
Historical volatility | Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Historical volatility 123.50% 112.00%