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Stockholders' Equity and Convertible Preferred Stock (Details Narrative 2) - USD ($)
$ in Thousands
12 Months Ended
Oct. 11, 2017
Mar. 14, 2017
Dec. 31, 2018
Dec. 31, 2017
Allocated stock based compensation     $ 213 $ 14
Unrecognized stock-based compensation expense     $ 8  
Weighted average remaining contractual term of exercisable option (in years)     4 years 9 months 18 days  
2013 Equity Incentive Plan [Member] | Maximum [Member]        
Vested options outstanding       105,547
Number of shares available for grant       41,821
2014 Equity Incentive Plan [Member]        
Number of shares available for grant     11,330  
Options outstanding     422,880  
Restricted Stock Units [Member]        
Number of non-option shares granted   23,287    
Restricted Stock Units [Member] | Consulting Agreement [Member]        
Number of non-option shares granted 5,000      
Non-option grant date fair value $ 8,400      
Restricted Stock Units [Member] | Anthony Hayes [Member]        
Number of non-option shares granted   35,969