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Subsequent Event (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Mar. 06, 2017
Jan. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Outside Attorney [Member]          
Exercise price (in dollars per share)     $ 5.23    
Exercisable terms     4 years    
Fair value of options     $ 53    
Stock Option Grants [Member]          
Exercise price (in dollars per share)     $ 5.00 $ 4.85 $ 4.40
Subsequent Event [Member] | Stock Option Grants [Member]          
Exercise price (in dollars per share) $ 1.76 $ 0.94      
Percentage of closing price 120.00%        
Vesting period   4 years      
Exercisable terms 4 years 10 years      
Fair value of options $ 19,600 $ 2,012,162      
Subsequent Event [Member] | Stock Option Grants [Member] | Minimum [Member]          
Exercise price (in dollars per share)   $ 1.53      
Subsequent Event [Member] | Stock Option Grants [Member] | Maximum [Member]          
Exercise price (in dollars per share)   $ 1.97      
Subsequent Event [Member] | Stock Option Grants [Member] | Employee [Member]          
Number of shares options granted   2,151,402      
Subsequent Event [Member] | Stock Option Grants [Member] | Outside Attorney [Member]          
Number of shares options granted 40,000        
Subsequent Event [Member] | Stock Option Grants [Member] | Senior Management [Member]          
Number of shares options granted   1,698,260