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10. Stock Based Compensation (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Stockholders' deficit:    
Option expenses $ 100 $ 100
Total unrecognized compensation expense for employees 1,300  
Total unrecognized compensation expense for non employees $ 10  
Total unrecognized compensation expense, period 4 years 2 months 12 days  
Options vested 76  
Options unvested 22  
Remaining contractual term of unvested options 3 years 7 months 6 days