Quarterly report pursuant to sections 13 or 15(d)

4. STOCKHOLDERS' EQUITY (Details 1)

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4. STOCKHOLDERS' EQUITY (Details 1) (USD $)
9 Months Ended
Sep. 30, 2012
Shares  
Outstanding at beginning of period 83,378
Forfeited   
Outstanding at end of period and expected to vest 589,937
Options exercisable 142,248
Weighted Average Exercise Price  
Outstanding at beginning of period $ 3.33
Forfeited   
Outstanding at end of period and expected to vest $ 8.71
Options exercisable $ 6.01
Weighted-average fair value of options granted during the period $ 6.82