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Employee Stock Benefit Plans (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 29, 2015
Feb. 26, 2015
Sep. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Number of option granted        
Share-based compensation       $ 4,652  
Unrecognized compensation cost     $ 2,211 $ 2,211  
Unrecognized compensation cost expected to recognized period       2 years 1 month 10 days  
Number of shares cancelled     22,000 37,250  
Consultant [Member]          
Share-based compensation       $ 1,478 $ 5,901
Non employee director [Member]          
Number of common shares issued 1,000        
Value of shares issued $ 3        
Employee [Member] | Restricted Stock [Member]          
Number of shares issued/granted   299,000      
Purchase price (in dollars per share)   $ 0.01      
Stock options expiration period   4 years      
Aggregate fair value   $ 2,766      
Description of vesting  

Stock vests ratably over a three-to-five year period.

     
Non-Employee Director Stock Option Plan [Member]          
Number of shares authorized     74,000 74,000  
Number of shares reserved for future issuance under stock option     1,733 1,733  
Number of shares available for future issuance     69,756 69,756  
Number of shares reserved for outstanding options     1,999 1,999  
2005 Equity Compensation Plan [Member]          
Number of shares authorized     1,200,000 1,200,000  
Number of shares reserved for future issuance under stock option     477,695 477,695  
Number of shares available for future issuance     578,772 578,772  
Number of shares reserved for outstanding options     140,615 140,615