XML 63 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of RSU Activity for 2006 Plan (Detail) (2006 Plan, USD $)
6 Months Ended
Jun. 30, 2013
2006 Plan
 
Number of Shares Unvested  
Beginning balance 705,376
Granted 69,000
Forfeited (19,375)
Vested (152,436)
Ending balance 602,565
Weighted Average Price/Share Unvested  
Beginning balance $ 5.91
Granted $ 5.09
Forfeited $ 6.66
Vested $ 7.86
Ending balance $ 5.30