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STOCK BASED COMPENSATION - Summary of Stock Options Outstanding and Exercisable by Stock Option Plan (Details) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding Stock Options, Number of Outstanding Stock Options 37,786 19,170 5,723
Outstanding Stock Options, Weighted Average Exercise Price $ 37.42 $ 80.00 $ 276.50
Exercisable Stock Options, Number of Exercisable Stock Options 37,786 19,170  
Exercisable Stock Options, Weighted Average Exercise Price $ 37.42 $ 80.00  
2004 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding Stock Options, Number of Outstanding Stock Options 96    
Outstanding Stock Options, Weighted Average Exercise Price $ 1,752.25    
Exercisable Stock Options, Number of Exercisable Stock Options 96    
Exercisable Stock Options, Weighted Average Exercise Price $ 1,752.25    
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 33,158    
Outstanding Stock Options, Weighted Average Exercise Price $ 25.47    
Exercisable Stock Options, Number of Exercisable Stock Options 33,158    
Exercisable Stock Options, Weighted Average Exercise Price $ 25.47    
Replacement Options - Alabama Graphite      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding Stock Options, Number of Outstanding Stock Options 4,528    
Outstanding Stock Options, Weighted Average Exercise Price $ 81.65    
Exercisable Stock Options, Number of Exercisable Stock Options 4,528    
Exercisable Stock Options, Weighted Average Exercise Price $ 81.65    
Replacement Options - Anatolia Energy      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding Stock Options, Number of Outstanding Stock Options 1    
Outstanding Stock Options, Weighted Average Exercise Price $ 442.33    
Exercisable Stock Options, Number of Exercisable Stock Options 1    
Exercisable Stock Options, Weighted Average Exercise Price $ 442.33