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AFFILIATIONS, DISCONTINUED OPERATIONS AND RELATED PARTY TRANSACTIONS - Summarized Operating Results (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Loss Before Income Taxes:        
Income Tax Benefits $ 25 $ 16 $ 41 $ 79
Loss from Discontinued Operations — Net $ (47) $ (29) $ (77) $ (147)
Earnings (Loss) Per Common Share from Discontinued Operations - Net        
Basic and Diluted (in dollars per share) $ 0.00 $ 0.00 $ 0.00 $ 0.00
Sand Mining        
Loss Before Income Taxes:        
Loss Before Income Taxes $ (15) $ (18) $ (32) $ (164)
Fuel Oil        
Loss Before Income Taxes:        
Loss Before Income Taxes $ (57) $ (27) $ (86) $ (62)