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Employee Stock Compensation Plans (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Sep. 01, 2017
Jun. 29, 2017
Jun. 18, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]          
Shares reserved for awards under 2013 Plan       5,750,000 1,750,000
Options outstandiing with exercise prices between $0.54 and $1.74 2,082,428 1,928,428      
Options issued to consultant at exercise price of $0.62 per share 100,000        
Grant date fair value of options issued to consultant $ 12        
Stock option compensation expense recorded $ 10        
Additional options granted at $0.77 per share subject to shareholder approval     2,300,000    
Grant date fair value additional options     $ 970