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Liquidity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
Jun. 07, 2018
Apr. 12, 2018
Jul. 31, 2018
Oct. 31, 2017
Public offering share value   2,335,937    
Common stock, par value   $ 0.001 $ 0.001 $ 0.001
Public offering price per share   $ 16.00    
Proceeds for public offering   $ 34,600    
Cantor Fitzgerald & Co., [Member]        
Public offering share value 2,455,882      
Common stock, par value $ 0.001      
Public offering price per share $ 23.65      
Proceeds for public offering $ 58,000