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4. Intangible Assets and Goodwill (Details Narrative) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Amortization expense $ 96 $ 95
Intangible assets 1,476  
Goodwill 1,000  
Patents    
Amortization expense 60 $ 60
Intangible assets 900  
In-process research and development    
Intangible assets $ 600