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RESTRICTED STOCK UNITS (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2015
shares
Feb. 28, 2014
USD ($)
shares
Jan. 31, 2014
company
shares
Jan. 31, 2013
USD ($)
management_company
shares
Sep. 30, 2010
Dec. 31, 2015
$ / shares
shares
Dec. 31, 2015
USD ($)
company
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
$ / shares
shares
Dec. 31, 2012
$ / shares
Sep. 27, 2010
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common shares reserved                     800,000
RSUs granted       94,476              
RSUs fair values | $ / shares           $ 1.07 $ 1.07 $ 4.53 $ 9.19 $ 5.25  
RSUs fair value granted | $ / shares             4.30 9.48 6.74    
RSUs fair value settled | $ / shares             $ 4.44 $ 9.32 $ 9.65    
Shares issued       35,061   110,128          
Value of shares paid | $   $ 464,630   $ 181,610              
RSU share settlement (Percent)   50.00%   50.00%              
RSU cash settlement (Percent)   50.00%   50.00%              
Number of management companies | management_company       2              
Number of RSU vesting years       3 years 3 years            
Share-based payment award, award vesting period         1/3            
Restricted Stock Units (RSUs) [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Vesting rate 33.33%   33.33% 33.33%     33.33%        
RSUs granted     55,111                
Number Of Management Companies That Received Award | company     2       2        
Shares issued   49,489                  
Number of RSU vesting years     3 years       3 years        
Restricted Stock Units Granted to Directors [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
RSU outstanding, beginning balance 74,578   88,157 66,307     74,578 88,157 66,307    
RSU settled             (40,462) (41,134) (25,388)    
RSUs granted             24,602 27,555 47,238    
RSU outstanding, ending balance           58,718 58,718 74,578 88,157    
Restricted Stock Units Granted to Management Companies [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
RSU outstanding, beginning balance 74,581   88,161 66,311     74,581 88,161 66,311    
RSU settled             (40,463) (41,136) (25,388)    
RSUs granted             24,604 27,556 47,238    
RSU outstanding, ending balance           58,722 58,722 74,581 88,161    
Restricted Stock Units Granted Total [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
RSU outstanding, beginning balance 149,159   176,318 132,618     149,159 176,318 132,618    
RSU settled             (80,925) (82,270) (50,776)    
RSUs granted             49,206 55,111 94,476    
RSU outstanding, ending balance           117,440 117,440 149,159 176,318    
Restricted Stock Units Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Restricted stock unit (income) expense | $             $ 0 $ 200,000 $ 900,000