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9. Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Fair Value Measurements Details 1      
Beginning Balance $ 67 $ 79 $ 108
Related change in fair value (16) (12) (29)
Ending Balance $ 51 $ 67 $ 79