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EQUITY INCENTIVES - Equity Incentive Awards (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Equity incentives      
Share-based Compensation, Total $ 365 $ (40) $ 1,718
Capitalized as Development 35 155 443
Expensed 365 (40) 1,718
Stock Options      
Equity incentives      
Share-based Compensation, Total   (431)  
Stock Appreciation Rights | Performance based      
Equity incentives      
Share-based Compensation, Total 128 (136) 382
Stock Appreciation Rights | Vesting over time      
Equity incentives      
Share-based Compensation, Total 4 5 34
Unvested Stock Awards      
Equity incentives      
Share-based Compensation, Total 400 115 2,161
Unvested Stock Awards | Board of Directors and Secretary      
Equity incentives      
Share-based Compensation, Total 36 104 135
Unvested Stock Awards | Performance based      
Equity incentives      
Share-based Compensation, Total 208 454 1,160
Unvested Stock Awards | Vesting over time      
Equity incentives      
Share-based Compensation, Total $ 24 $ 119 $ 450