Quarterly report pursuant to Section 13 or 15(d)

4. Stock Incentive Plan (Details 1)

v3.20.2
4. Stock Incentive Plan (Details 1) - shares
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Number of shares outstanding 1,296,573 1,087,463 1,105,896
Weighted average remaining contractual life 7 years 5 months 26 days    
Number of shares fully vested and exercisable 872,935    
Weighted average remaining contractual life 6 years 11 months 26 days    
Option 1      
Exercise price $0.00 - $15.00    
Number of shares outstanding 555,420    
Weighted average remaining contractual life 6 years 2 months 16 days    
Number of shares fully vested and exercisable 509,500    
Weighted average remaining contractual life 6 years 2 months 1 day    
Option 2      
Exercise price $5.01 - $10.00    
Number of shares outstanding 536,043    
Weighted average remaining contractual life 8 years 7 days    
Number of shares fully vested and exercisable 328,154    
Weighted average remaining contractual life 7 years 11 months 19 days    
Option 3      
Exercise price $10.01 - $15.00    
Number of shares outstanding 189,985    
Weighted average remaining contractual life 9 years 7 months 2 days    
Number of shares fully vested and exercisable 32,218    
Weighted average remaining contractual life 9 years 7 months 2 days    
Option 4      
Exercise price $15.01 - $20.00    
Number of shares outstanding 15,125    
Weighted average remaining contractual life 9 years 6 months 18 days    
Number of shares fully vested and exercisable 3,063    
Weighted average remaining contractual life 9 years 7 months 2 days