v2.4.0.8
M. Share-Based Compensation (Details-Options Granted) (Employee Stock Option [Member], USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Stock Option [Member]
     
Weighted average fair value of options granted 1,099,000 88,000 124,000
Weighted average fair value $ 4.9986 $ 4.9260 $ 0.3930