Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

v3.19.1
STOCK-BASED COMPENSATION (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]    
Total stock-based compensation $ 207,654 $ 173,438
Employee and director stock option grants [Member] | Research and development [Member]    
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]    
Total stock-based compensation 27,120 34,127
Employee and director stock option grants [Member] | General and administrative [Member]    
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]    
Total stock-based compensation $ 180,534 $ 139,311