Annual report pursuant to Section 13 and 15(d)

4. Stock Incentive Plan (Details 1)

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4. Stock Incentive Plan (Details 1) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Number of shares outstanding 1,087,463 1,105,896 658,592
Number of shares fully vested and exercisable 758,581    
Option 1      
Exercise price $ .001    
Number of shares outstanding 555,420    
Weighted average remaining contractual life 6 years 8 months 12 days    
Number of shares fully vested and exercisable 475,060    
Weighted average remaining contractual life 6 years 7 months 6 days    
Option 2      
Exercise price $ 6.00    
Number of shares outstanding 532,043    
Weighted average remaining contractual life 8 years 7 months 6 days    
Number of shares fully vested and exercisable 283,521    
Weighted average remaining contractual life 8 years 4 months 24 days