Annual report pursuant to Section 13 and 15(d)

Stock Option Plans and 401(k) Plan (Details)

v3.19.2
Stock Option Plans and 401(k) Plan (Details) - USD ($)
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Total stock-based compensation expense $ 3,443,400 $ 2,344,200
Research and Development Expense [Member]    
Total stock-based compensation expense 1,259,400 969,200
General and Administrative Expense [Member]    
Total stock-based compensation expense 2,184,000 1,375,000
Stock Option [Member] | Research and Development Expense [Member]    
Total stock-based compensation expense 1,259,400 969,200
Stock Option [Member] | General and Administrative Expense [Member]    
Total stock-based compensation expense $ 2,184,000 $ 1,375,000