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SHAREHOLDERS' EQUITY (Details Textual)
 1 Months Ended 12 Months Ended 12 Months Ended
Aug. 31, 2012
USD ($)
Jan. 31, 2011
USD ($)
Nov. 30, 2009
USD ($)
Feb. 28, 2009
Sep. 30, 2008
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2010
USD ($)
Dec. 31, 2009
USD ($)
Dec. 31, 2008
USD ($)
Dec. 31, 2011
ILS
Dec. 31, 2010
ILS
Dec. 31, 2011
Minimum [Member]
Dec. 31, 2011
Maximum [Member]
Dec. 31, 2012
Treasury Stock [Member]
ILS
Dec. 31, 2010
Treasury Stock [Member]
USD ($)
Dec. 31, 2012
Treasury Stock [Member]
USD ($)
Dec. 31, 2011
Treasury Stock [Member]
USD ($)
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)         2,100,000                          
Stock Repurchase Program, Authorized Amount     $ 1,800,000   $ 2,800,000                          
Stock Repurchased and Retired During Period, Shares (in shares)                 3,165,092 2,100,000                
Stock Repurchased and Retired During Period, Value                 2,800,000 1,600,000                
Stock Repurchase Program, Number Of Shares Authorized To Be Repurchased, Increased (in shares)       1,200,000                            
Treasury Stock, Value           2,360,000 2,401,000                   41,000 399,000
Stock Issued During Period Value Stock Options Exercised               75,000               0    
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)           $ 0.24 $ 0.32 $ 0.20                    
Dividend paid           4,505,000 5,968,000 3,686,000                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)             1,800,000         4,306,000            
Share-Based Compensation Arrangement By Share-Based Payment Award, Par Value (in dollars per share)                     0.01 0.01            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period           3 days             3 years 7 years        
Share Based Compensation Arrangement By Share Based Payment Award Award Expiring Period Minimum           5 years                        
Share Based Compensation Arrangement By Share Based Payment Award Award Expiring Period Maximum           7 years                        
Allocated Share-based Compensation Expense           80,000 61,000 139,000                    
Class Of Warrant Or Right, Issued (in shares)   924,545                                
Class Of Warrant Or Right, Issued, Exercise Price (in dollars per share)   $ 2.48                                
Stock- based compensation granted to a customer             332,000                      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Weighted Average Exercise Price (in dollars per share)           $ 2.41 [1] $ 1.71 [1] $ 1.38 [1]             0.01      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized           116,000                        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition           1 year 4 months 6 days                        
Stock Repurchased During Period, Value $ 1,800,000   $ 1,800,000                              
[1] In 2012 the options were granted with an exercise price equal to the average closing price per share of the Company ordinary shares on the stock market during the 30 trading day period immediately preceding the date of grant of such option. In 2011 the options were granted with an exercise price equal to the average closing price per share of the Company ordinary shares on the stock market during the 30 trading day period immediately preceding the date of grant of such option or with an exercise price equal to Par value of NIS 0.01. In 2010 the options were granted with an exercise price equal to the market price of the Company's stock at date of three trade days from the grant approval or with an exercise price equal to Par value of NIS 0.01.