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EMPLOYEE STOCK PLANS - Narrative (Details) - USD ($)
12 Months Ended
Aug. 17, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Feb. 28, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation expense   $ 210,000 $ 355,000 $ 442,000    
Employee stock option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares outstanding (in shares)   298,995 339,376 358,073 432,642  
Term   10 years        
Options vesting on an annual basis, 20% of group per year (in shares)   256,493        
Annual vesting percentage, vesting group 20% per year   20.00%        
Options vesting on an annual basis, 16.67% of group per year (in shares)   42,502        
Annual vesting percentage, vesting group 16.67% per year   16.67%        
Unrecognized compensation cost related to non-vested share-based compensation arrangements   $ 291,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 8 months 12 days        
Share-based compensation expense   $ 162,000 $ 336,000 $ 442,000    
Intrinsic value of the options exercised   $ 0 10,000 217,000    
Omnibus Incentive Compensation Plan 2007            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common shares outstanding reserved for issuance under the plan (in shares)           525,000
Shares available for grant (in shares)   136,093        
Omnibus Incentive Compensation Plan 2007 | Employee stock option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares outstanding (in shares)   298,995        
Omnibus Incentive Compensation Plan 2007 | Restricted stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period 3 years          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   2 years 1 month        
Share-based compensation expense   $ 48,000 $ 19,000 $ 0    
Shares granted (in shares)   4,439 11,250      
Granted (in dollars per share)   $ 10.97 $ 13.92      
Unrecognized compensation cost   $ 125,000