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STOCK-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock option grants assumptions used in valuation model

The fair value of the stock options granted was measured using the Black-Scholes valuation model with the following assumptions:

   

Year Ended December 31,

 
   

2017

   

2016

 

Expected volatility

   

31.1 - 31.3%

 

   

34 - 35%

 

Expected life in years

   

5.5 - 6.0

     

5.5 - 6.0

 

Risk-free interest rate

   

2.08 - 2.15%

 

   

1.57 - 1.66%

 

Dividend yield

   

0%

 

   

0%

 

Schedule of stock option activity

A summary of stock option activity for the years ended December 31, 2017 and 2016, and changes during the years then ended is presented below:

 

    Stock
Options		     Weighted average
exercise price		     Weighted
average remaining
contractual term		     Aggregate
intrinsic value		  
Outstanding as of January 1, 2016      344,733     $ 9.35       6.5     $ 107  
Granted      27,000       3.68       9.2        28  
Exercised     —       —       —       —  
Forfeited      (124,333 )     9.31       5.9       —  
Outstanding as of December 31, 2016      247,400     $ 8.75       5.9     $ 135  
Granted      262,000       7.3       9.2        81  
Exercised      (26,333 )      4.55       —       —  
Forfeited      (47,267 )     6.74       6.8       —  
Outstanding as of December 31, 2017      435,800     $ 8.35       7.5     $ 216  
                                 
Exercisable as of December 31, 2017      173,800     $ 9.94       4.8     $ 135  
Schedule of weighted-average grant-date fair value of options, total intrinsic value of options exercised, and cash receipts from options exercised

A summary of the weighted-average grant-date fair value of options, total intrinsic value of options exercised, and cash receipts from options exercised is shown below:

 

    Year Ended Decmber 31,  
    2017     2016  
Weighted-average fair value of options granted (per share)   $ 2.40     $ 1.33  
Intrinsic value gain of options exercised      81       —  
Cash receipts from exercise of options      120       —