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SHAREHOLDERS EQUITY - Stock based compensation - Financial Performance Units (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Financial Performance Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     64,629  
Financial Performance Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Financial performance threshold percentage     150.00%  
Financial Performance Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Financial performance threshold percentage     0.00%  
Financial Performance Units Granted Prior to May 1, 2019        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense   $ 3   $ 18
Financial Performance Units Granted From May 1, 2019 Through April 30, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percent of awards accruing at maximum threshold     150.00%  
Maximum number of shares can be issued 76,797   76,797  
Unrecognized compensation expense $ 242   $ 242  
Unrecognized compensation expense recognition period (in years)     1 year 7 months 6 days  
Stock-based compensation expense $ 29 61 $ 90 117
Financial Performance Units Granted From May 01, 2020 Through December 31 2020, Excluding November 18, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percent of awards accruing at maximum threshold     150.00%  
Maximum number of shares can be issued 76,886   76,886  
Unrecognized compensation expense $ 345   $ 345  
Unrecognized compensation expense recognition period (in years)     2 years 6 months  
Stock-based compensation expense $ 29 54 $ 82 109
Financial Performance Units Granted on November 18, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percent of awards accruing at maximum threshold     134.00%  
Remainder threshold awards 50.00%   50.00%  
Maximum number of shares can be issued 29,212   29,212  
Unrecognized compensation expense $ 278   $ 278  
Unrecognized compensation expense recognition period (in years)     2 years 4 months 24 days  
Stock-based compensation expense $ (2) 30 $ 28 $ 64
Financial Performance Units Granted From May 3 2021 Through August 11,2021        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percent of awards accruing at maximum threshold     150.00%  
Maximum number of shares can be issued 56,148   56,148  
Unrecognized compensation expense $ 735   $ 735  
Unrecognized compensation expense recognition period (in years)     3 years 6 months  
Granted (in shares)       41,366
Stock-based compensation expense $ 58 $ 57 $ 139 $ 57
Financial Performance Units Granted On May 2, 2022 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percent of awards accruing at maximum threshold     79.00%  
Maximum number of shares can be issued 49,127   49,127  
Unrecognized compensation expense $ 2,988   $ 2,988  
Unrecognized compensation expense recognition period (in years)     4 years 6 months  
Granted (in shares)     64,629  
Stock-based compensation expense $ 58   $ 58