XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8
9. Stock Option Activity (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Number of Shares  
Outstanding options, beginning balance 8,652
Granted 3,040
Exercised (1,413)
Forfeited/Expired (151)
Outstanding options, ending balance 10,128
Options exercisable 5,777
Outstanding options, beginning balance $ 1.58
Granted $ 7.43
Exercised $ 1.5
Forfeited/Expired $ 4.64
Outstanding options, ending balance $ 3.3
Options exercisable $ 2.17
Weighted Average Remaining Contractual Term  
Outstanding options, ending balance 6 years 4 months 24 days
Options exercisable 4 years 11 months 16 days