Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stockholders' Equity - Share-based Compensation Expense (Details)

v3.19.1
Note 4 - Stockholders' Equity - Share-based Compensation Expense (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based compensation expense $ 337,966 $ 238,835
Research and Development Expense [Member]    
Share-based compensation expense 200,337 64,583
General and Administrative Expense [Member]    
Share-based compensation expense $ 137,629 $ 174,252