XML 74 R63.htm IDEA: XBRL DOCUMENT v3.8.0.1
STOCK BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized (in shares) 1,900,000   1,900,000  
Share-based compensation expense $ 497 $ 370 $ 1,300 $ 1,100
Option, cumulative options granted since inception (in shares) 1,290,431   1,290,431  
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period     10 years  
Award vesting period     4 years  
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     4 years  
Equity instruments other than options, grants in period (in shares)     28,106