Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Awards Outstanding (Details)

v3.19.1
STOCK BASED COMPENSATION - Awards Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Restricted stock units    
Number of Shares    
Beginning balance, non vested (in shares) 315,292  
Shares vested (in shares) 27,184  
Ending balance, non vested (in shares) 288,108 315,292
Weighted Average Grant Date Fair Value    
Beginning of period (in dollars per share) $ 2.26  
Shares vested (in dollars per share) 2.34  
End of period (in dollars per share) $ 2.26 $ 2.26
2013 and 2014 Plans | Stock options    
Number of Options Outstanding    
Beginning balance, outstanding (in shares) 2,486,646  
Options granted (in shares) 0  
Options exercised (in shares) 0  
Options forfeited (in shares) 0  
Ending balance, outstanding (in shares) 2,486,646 2,486,646
Exercisable (in shares) 1,536,425  
Weighted Average Exercise Price    
Weighted average exercise price (in dollars per share) $ 1.89 $ 1.89
Options granted, weighted average exercise price (in dollars per share) 0.00  
Options exercised, weighted average exercise price (in dollars per share) 0.00  
Options forfeited, weighted average exercise price (in dollars per share) 0.00  
Exercisable, weighted average exercise price (in dollars per share) $ 1.67  
Additional Disclosures    
Weighted Average Remaining Contractual Life 6 years 9 months 7 years
Exercisable, weighted average remaining contractual life 5 years 7 months 6 days  
Aggregate Intrinsic Value $ 2,541 $ 1,550
Exercisable, aggregate intrinsic value $ 1,937