Annual report pursuant to Section 13 and 15(d)

Balance Sheets (Parenthetical)

v3.20.4
Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Preferred stock, par value $ 0.00001 $ 0.00001
Preferred stock, authorized shares 10,000,000 10,000,000
Preferred stock, issued shares 0 0
Preferred stock, outstanding shares 0 0
Common stock, authorized shares 150,000,000 150,000,000
Common stock, issued shares 24,062,775 24,034,022
Common stock, outstanding shares 24,062,775 24,034,022
Voting Common Stock    
Common stock, par value $ 0.00001 $ 0.00001
Common stock, authorized shares 143,590,481 143,590,481
Common stock, issued shares 19,387,160 17,624,503
Common stock, outstanding shares 19,387,160 17,624,503
Non-voting Common Stock    
Common stock, par value $ 0.00001 $ 0.00001
Common stock, authorized shares 6,409,519 6,409,519
Common stock, issued shares 4,675,615 6,409,519
Common stock, outstanding shares 4,675,615 6,409,519