v2.4.0.8
M. Share-Based Compensation (Details-Options Summary) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
$3.00 - $6.00
Dec. 31, 2013
7.50 - 12.90
Dec. 31, 2013
Employee Stock Option [Member]
Dec. 31, 2012
Employee Stock Option [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Dec. 31, 2010
Employee Stock Option [Member]
Dec. 31, 2013
Employee Stock Option [Member]
$3.00 - $6.00
Dec. 31, 2013
Employee Stock Option [Member]
7.50 - 12.90
Number of shares outstanding       1,468,000 419,000 377,000 288,000 371,000 1,097,000
Weighted average exercise price       $ 8.379       $ 5.914 $ 9.213
Aggregate intrinsic value       $ 9,733       $ 3,373 $ 6,360
Weighted average remaining contractual life (years) 8 years 9 months 4 days 6 years 7 months 2 days 9 years 5 months 27 days            
Number of shares exercisable       275,000       270,000 5,000
Weighted average exercise price       $ 5.915       $ 5.881 $ 7.500
Aggregate intrinsic value       $ 2,500 $ 700     $ 2,463 $ 43
Weighted average remaining contractual life (years) 6 years 1 month 17 days 6 years 2 months 19 days 1 year 9 months 7 days