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CAPITAL MANAGEMENT (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Capital Management Details Abstract        
Equity $ 53,923 $ 75,168 $ 69,002 $ 61,794
Term Facility 5,897 6,901    
Finance Lease Obligations 1,134 1,819    
Equipment Loans 289 928    
Total capital $ 61,243 $ 84,816