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DEBT - Line of Credit (Details) - USD ($)
1 Months Ended
Oct. 31, 2019
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2020
Debt Instrument [Line Items]        
Term of debt 1 year      
Number of shares for which warrants exercised   139,611    
Outstanding balance of line of credit     $ 590,000  
Line of Credit [Member]        
Debt Instrument [Line Items]        
Maximum borrowing capacity $ 1,000,000.0      
Interest rate 13.00%      
Number of shares for which warrants exercised 94,723      
Amount of proceeds from loan used to pay business combination $ 400,000      
Available borrowing capacity       $ 0
Outstanding balance of line of credit     $ 590,000