XML 34 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Based Compensation (Details 3) (Restricted stock units [Member], USD $)
3 Months Ended
Jun. 30, 2012
Restricted stock units [Member]
 
Unvested restricted stock units  
Number of RSUs, Beginning Balance 1,542,675
Number of RSUs, Granted 54,000
Number of RSUs, Vested (118,862)
Number of RSUs, Cancelled (10,280)
Number of RSUs, Ending Balance 1,467,533
Weighted Average Grant Date Fair Value, Beginning Balance $ 2.95
Weighted Average Grant Date Fair Value, Granted $ 0.82
Weighted Average Grant Date Fair Value, Vested $ 11.45
Weighted Average Grant Date Fair Value, Cancelled $ 12.17
Weighted Average Grant Date Fair Value, Ending Balance $ 2.12