Quarterly report pursuant to Section 13 or 15(d)

4. Stock Option Plan (Details Narrative)

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4. Stock Option Plan (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Stock options, granted 196,476 [1] 163,357 174,357
Stock-based compensation expense for non-employees $ 10,300 $ 17,561  
Expected term 4 years 8 months 12 days 6 years 2 months 12 days  
Volatility 55.00% 85.00%  
Risk free interest rate 0.40% 2.90%  
Dividends 0.00% 0.00%  
Stock options granted 196,476 [1] 163,357 174,357
Weighted average grant date fair value $ 4.90 $ 9.34  
Fair value of shares vested $ 300,000 $ 200,000  
Aggregate intrinsic value of outstanding stock options 3,600,000    
Unamortized unvested balance of stock base compensation $ 3,200,000    
Unamortized unvested balance of stock base compensation, period 3 years    
General and Administrative Expenses      
Employee and non-employee director stock-based compensation expense $ 246,343 220,765  
Research and Development Expenses      
Employee and non-employee director stock-based compensation expense $ 111,589 $ 100,171  
[1] 196,476 options vest as follows: options to purchase 168,704 shares of the Company's common stock vest 6/48ths on the six-month anniversary of grant date and 1/48th per month thereafter; options to purchase 17,772 shares of the Company's common stock vest quarterly over one year; and options to purchase 10,000 shares of the Company's common stock vest monthly over one year. Exercise prices range from $5.76 to $9.67 per share.