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Stock Option Plans, Shares Reserved and Warrants (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Change in Fair Value of Warrant Derivative Liabilities   $ 1,397,471  
2009 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted   2,221,750  
Exercise price of options granted   $ 3.26  
Options outstanding 6,399,649 6,399,649 4,320,409
Aggregate intrinsic value of stock options outstanding $ 6,134,000 $ 6,134,000 $ 26,000
Options exercisable 2,966,509 2,966,509 2,319,963
Aggregate intrinsic value of stock options exercisable $ 1,624,000 $ 1,624,000 $ 1,000
2009 Equity Incentive Plan [Member] | New Employees [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 90,000    
Expected volatility 57.00%    
Risk-free interest rate 2.10%    
Expected dividend rate 0.00%    
Expected term 6 years    
Fair value of awards granted $ 203,000    
Vesting period 3 years    
2009 Equity Incentive Plan [Member] | New Employees [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of options granted $ 3.50    
2009 Equity Incentive Plan [Member] | New Employees [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of options granted $ 4.60