Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Narrative (Details)

v3.8.0.1
STOCK BASED COMPENSATION - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jun. 21, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Jul. 10, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock-based compensation   $ 221 $ 229 $ 641 $ 682    
Aggregate intrinsic value, outstanding   3,900   3,900      
Aggregate intrinsic value, exercisable   $ 2,400   $ 2,400      
Options exercised during period (in shares)   21,840   141,840      
Proceeds from exercise of stock options   $ 200   $ 229 $ 111    
Compensation cost not yet recognized   $ 1,100   $ 1,100      
Weighted-average period to recognized compensation cost       1 year 5 months 24 days      
Weighted-average exercise price (in dollars per share)   $ 1.61          
Weighted-average contractual term, options granted       10 years      
Expected dividend yield       0.00% 0.00%    
Stock options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)   0   165,000      
Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
RSUs granted (in shares)   176,212   376,212      
2014 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock authorized for issuance (in shares)             2,196,836
Increase in shares authorized (in shares) 1,000,000            
Number of shares available for issuance   1,670,276   1,670,276      
2014 Plan | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
RSUs issued (in shares)       1,213,084      
RSUs outstanding (in shares)   462,046   462,046      
2014 Plan | Restricted Stock Units | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period (in years)       3 years      
2014 Plan | Restricted Stock Units | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period (in years)       4 years      
2013 and 2014 Plans | Stock options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options outstanding (in shares)   1,620,507   1,620,507   1,607,347  
Options granted (in shares)       165,000      
Options exercised during period (in shares)       141,840      
One year anniversary | 2014 Plan | Restricted Stock Units | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage       25.00%      
One year anniversary | 2014 Plan | Restricted Stock Units | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage       33.00%