Annual report pursuant to Section 13 and 15(d)

Balance Sheets (Parentheticals)

v3.20.4
Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 21,189,943 16,932,184
Common stock, shares outstanding (in shares) 21,189,943 16,932,184