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5. Stock-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Stock-based Compensation Details Narrative        
Stock compensation expense $ 172 $ 161 $ 573 $ 694
Unrecognized compensation expense $ 1,300   $ 1,300