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1. Summary of Significant Accounting Policies (Details Narrative 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Summary Of Significant Accounting Policies Details Narrative 1      
Advertising costs $ 254 $ 348 $ 328
Research and development costs $ 3,667 $ 4,397 $ 4,859