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SHAREHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2014
SHAREHOLDERS' EQUITY [Abstract]  
Reconciliation of Ordinary Shares
 

2014

   

2013

   

2012

Balance outstanding at beginning of year


8,805,236     8,798,570     8,815,003

Purchase of treasury shares

  -     -     (16,433)

Exercise of options

  3,108     6,666     -

Balance outstanding at end of year

  8,808,344     8,805,236     8,798,570
Schedule of Stock Options Assumptions

 

 2014

2012

   

Expected stock price volatility

 37.23 % - 39.14 % 41.57% - 43.4%

Expected option life (in years)

2.87 - 4  2.23 - 3.23

Risk free interest rate

  0.48 % - 1.34 0.23% - 0.32%

Dividend yield

  5 % - 4.6  9.8%
Schedule of Stock Option Activity
The following table is a summary of the activity of TAT's stock Option plan: