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STOCK-BASED COMPENSATION - Summary of Stock Options Outstanding and Exercisable by Stock Option Plan (Details) - $ / shares
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding Stock Options, Number of Outstanding Stock Options 277,576 277,576 184,254 185,054
Outstanding Stock Options, Weighted Average Exercise Price $ 6.18 $ 6.18 $ 7.72 $ 7.99
Exercisable Stock Options, Number of Exercisable Stock Options 183,054   34,453  
Exercisable Stock Options, Weighted Average Exercise Price $ 7.35   $ 32.40  
2004 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding Stock Options, Number of Outstanding Stock Options 92      
Outstanding Stock Options, Weighted Average Exercise Price $ 1,638.00      
Exercisable Stock Options, Number of Exercisable Stock Options 92      
Exercisable Stock Options, Weighted Average Exercise Price $ 1,638.00      
2004 Directors Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding Stock Options, Number of Outstanding Stock Options 3      
Outstanding Stock Options, Weighted Average Exercise Price $ 10,380.00      
Exercisable Stock Options, Number of Exercisable Stock Options 3      
Exercisable Stock Options, Weighted Average Exercise Price $ 10,380.00      
2013 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding Stock Options, Number of Outstanding Stock Options 277,481      
Outstanding Stock Options, Weighted Average Exercise Price $ 5.53      
Exercisable Stock Options, Number of Exercisable Stock Options 182,959      
Exercisable Stock Options, Weighted Average Exercise Price $ 6.36