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Stock Option Plans, Shares Reserved and Warrants (Details Narrative) - 2009 Equity Incentive Plan [Member] - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted   2,506,750  
Exercise price of options granted   $ 3.48  
Options outstanding 6,598,817 6,598,817 4,320,409
Aggregate intrinsic value of stock options outstanding $ 6,205,000 $ 6,205,000 $ 26,000
Options exercisable 3,373,829 3,373,829 2,319,963
Aggregate intrinsic value of stock options exercisable $ 2,106,000 $ 2,106,000 $ 1,000
New Employees [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 285,000    
Expected volatility 58.00%    
Risk-free interest rate 2.10%    
Expected dividend rate 0.00%    
Expected term 6 years    
Fair value of awards granted $ 815,000    
Vesting period 3 years    
New Employees [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of options granted $ 4.50    
New Employees [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of options granted $ 5.65