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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-based Compensation) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation arrangement by share-based payment award, expiration period 10 years  
Stock-based compensation $ 0.1 $ 0.1
Unrecognized compensation expense related to unvested stock awards, not yet recognized $ 0.1  
Unvested stock options, unrecognized compensation expense weighted average recognition period 1 year  
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options, unvested options, vesting period 3 years  
Executive Officers    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options, unvested options, vesting period 3 years  
Common stock rights issued (in shares) 2,777