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SHAREHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Stock Options Assumptions
The fair value of the Company’s stock options granted under the 2012 plan for the years ended December 31, 2016, 2015 and 2014 was estimated using the following assumptions:
 
   
2016
 
2015
 
2014
             
Expected stock price volatility
 
37.7% – 40.3%
 
35.07% – 38.97%
 
37.23% – 39.14%
Expected option life (in years)
 
3 – 5.5
 
3 – 4
 
2.87 – 4
Risk free interest rate
 
0.92% – 1.79%
 
0.92% – 1.39%
 
0.48% – 1.34%
Dividend yield
 
5%
 
5%
 
5% – 4.6%
Schedule of Stock Option Activity
The following table is a summary of the activity of TAT's Stock Option plan:

   
Year ended December 31,
   
Year ended December 31,
   
Year ended December 31,
 
   
2016
   
2015
   
2014
 
   
Number
of
options
   
Weighted
average
exercise
price
   
Number
of
options
   
Weighted
average
exercise
price
   
Number
of
options
   
Weighted
average
exercise
price
 
                                     
Outstanding at the beginning of the year
   
277,500
   
$
7.60
     
235,000
   
$
8.28
     
145,000
   
$
6.50
 
Granted
   
250,000
     
8.10
     
120,000
     
7.15
     
215,000
     
8.66
 
Forfeited
   
(177,400
)
   
7.56
     
(77,500
)
   
8.67
     
(40,000
)
   
8.79
 
Exercised
   
(20,100
)
   
6.50
     
-
     
-
     
(85,000
)
   
6.50
 
                                                 
Outstanding at the end of the year
   
330,000
   
$
7.97
     
277,500
   
$
7.60
     
235,000
     
8.28
 
                                                 
Exercisable options
   
20,000
   
$
7.15
     
30,000
   
$
6.50
     
20,000
   
$
6.50