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1. Summary of Significant Accounting Policies (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Accounting Policies [Abstract]        
Stock based compensation costs     $ 2,578 $ 2,939
Unrecognized stock-based compensation costs 15,200   15,200  
Unrecognized stock-based compensation costs amortization period     3 years 2 months 12 days  
Aggregate intrinsic value outstanding 29,100   29,100  
Aggregate intrinsic value exercisable 23,000   23,000  
Options Exercised     1,168,000 1,116,000
Shares available for future grants 2,100,000   2,100,000  
Per share weighted average fair value of stock options granted     $ 2.73  
Repurchase of common stock, shares repurchased     73,778 323,674
Repurchase of common stock average share price     $ 7.91 $ 7.68
Gain on cancellation of debt $ 0 $ 0 $ 0 $ 10,947