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7. Stock Options and Equity Compensation Plan (Details Narrative) - Employee Stock Option [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Stock-based employee compensation expense $ 45 $ 29 $ 130 $ 104
Unrecognized compensation expense related to non-vested awards $ 180   $ 180  
Unrecognized compensation expense recognized over a weighted average period     1 year  
Number of options granted to purchase shares of common stock     49,000 6,000