Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Narrative (Details)

v3.19.3
SHARE-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 70 $ 114 $ 263 $ 521
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation cost   $ 600   $ 600  
Weighted-average period of unrecognized compensation cost expected to be recognized       2 years 2 months 12 days  
2015 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant (in shares)   476,968   476,968  
2015 Equity Incentive Plan | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares) 21,524        
Transfer restriction period (in years) 1 year