XML 28 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
1. Summary of Significant Accounting Policies (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Accounting Policies [Abstract]    
Stock based compensation costs $ 771 $ 676
Unrecognized stock-based compensation costs 11,700  
Unrecognized stock-based compensation costs amortization period 3 years 2 months 12 days  
Aggregate intrinsic value outstanding 34,900  
Aggregate intrinsic value exercisable $ 24,800  
Shares available for future grants 3,500,000  
Common stock repurchased, shares 64,430 15,213