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SHAREHOLDERS' EQUITY (Effects of Stock-Based Compensation in the Statements of Operations)(Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation $ 1,925 $ 1,435 $ 710
Products [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation 305 202 97
Services [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation 106 91 35
Research and Development expenses [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation 921 601 313
Sales and Marketing expenses [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation 497 470 141
General and Administration expenses [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation $ 96 $ 71 $ 124