Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details)

v2.4.0.8
Stock Plans (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Total stock-based compensation expenses $ 21 $ 365 $ 656 $ 2,233
Research and development [Member]
       
Total stock-based compensation expenses 11 148 367 878
General and administrative [Member]
       
Total stock-based compensation expenses $ 10 $ 217 $ 289 $ 1,355