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SHAREHOLDERS' EQUITY (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
May 31, 2011
Director [Member]
Aug. 30, 2012
Employee [Member]
Jun. 30, 2012
Employee [Member]
Jun. 30, 2012
Consultant [Member]
Jun. 30, 2011
General and Administrative Expense [Member]
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted 405,000       380,000 25,000  
Minimum exercise price of granted options $ 4.95            
Maximum exercise price of granted options $ 5.99            
Maximum number of years for options to vest PY4 P4Y   P1Y     P1Y
Expected volatility, minimum 73.00% 78.00%          
Expected volatility, maximum 88.00% 84.00%          
Expected Volatility Rate     87.50%        
Expected risk free interest rates range, minimum 0.56% 2.00% 1.435%        
Expected risk free interest rate range, maximum 2.00% 2.56%          
Expected dividend yield 0.00% 0.00% 0.00%        
Expected term (in years) 6 6          
Weighted average fair value of options granted during period $ 3.7 $ 2.64 $ 3.33        
Fully vested options that were previosuly granted to Director     380,000        
Number of days after director resigns till shares become exercisable     180        
Share based compensation expense $ 1,070 $ 2,044         $ 1,264
Total unrecognized estimated compensation cost related to non-vested stock options granted $ 4,464            
Number of years that total unrecognized estimated compensation cost related to non-vested stock options granted will be recognized 2.5