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STOCKHOLDERS' EQUITY - Summary of Warrant activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Class of Warrant or Right [Line Items]    
Vested and Exercisable 192,419  
Vested and Exercisable per share $ 5.84  
Warrant [Member]    
Class of Warrant or Right [Line Items]    
Options Outstanding at the beginning 192,419 235,095
Options Outstanding at the beginning (in dollars per share) $ 5.84 $ 5.89
Granted
Granted (in dollars per share)
Exercised (42,676)
Exercised (in dollars per share)
Exercised 42,676
Options Outstanding at the end 192,419 192,419
Options Outstanding at the end (in dollars per share) $ 5.84 $ 5.84