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CASH FLOW INFORMATION - Stock-Based Compensation (Details) - 2015 EIP Plan - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 23, 2017
Feb. 17, 2016
Mar. 31, 2017
Peter C. Georgiopoulos, Chairman of Board      
Non-cash investing and financing activities      
Granted (in shares)   408,163  
Shares granted, post reverse stock split (in shares)   40,816  
John C. Wobensmith      
Non-cash investing and financing activities      
Granted (in shares)   204,081  
Shares granted, post reverse stock split (in shares)   20,408  
Executive Officers      
Non-cash investing and financing activities      
Aggregate fair value   $ 318  
Restricted Stock Units      
Non-cash investing and financing activities      
Granted (in shares)     292,398
Restricted Stock Units | John C. Wobensmith      
Non-cash investing and financing activities      
Granted (in shares) 292,398    
Aggregate fair value $ 3,254    
Stock Option | John C. Wobensmith      
Non-cash investing and financing activities      
Options to purchase (in shares) 133,000    
Exercise price $ 11.13    
Aggregate fair value $ 853