Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details Textuals)

v3.8.0.1
STOCK-BASED COMPENSATION (Details Textuals) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 2,000,000 $ 1,800,000 $ 1,400,000
2011 Director Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of common stock purchase (in percent) 90.00%    
Shares reserved for issuance (in shares) 150,000    
Shares issued (in shares) 10,340 15,530 12,494
Compensation Expense $ 22,000 $ 23,000 $ 19,000
Common stock shares remaining reserved for issuance (in shares) 48,380    
2011 Associate Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of common stock purchase (in percent) 90.00%    
Shares issued (in shares) 28,874 44,782 21,088
Compensation Expense $ 94,000 $ 100,000 $ 52,000
Percentage of outstanding stock purchase (in percent) 10.00%    
Maximum Stock purchases under the plan $ 25,000    
Common stock shares reserved for issuance (in shares) 593,750    
Common stock shares remaining reserved for issuance (in shares) 323,576    
Weighted average estimated fair value (in dollars per shares) $ 3.28 $ 2.22 $ 2.36
2011 Associate Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued (in shares)     28,943
Compensation Expense $ 800,000 $ 1,200,000 $ 1,100,000
Common stock shares reserved for issuance (in shares) 875,000    
Common stock shares remaining reserved for issuance (in shares) 525,243    
Executive Long-Term Incentive Plan President[Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 400,000 200,000  
Executive Long TermI Incentive Plan CFO [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense 100,000 $ 300,000  
Executive Long Term Incentive Plan CEO [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Expense $ 600,000   $ 300,000