Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred Class A [Member]
Class A Common Shares [Member]
Common Shares [Member]
Common Stock Issuable
Additional Paid-in Capital
Accumulated Deficit
Total
Balances at Dec. 31, 2019     $ 4 $ 4,923 $ 172,184 $ (125,459) $ 51,652
Balances (in shares) at Dec. 31, 2019 250,000 845,385 39,403,519        
Issuance of common shares - Founders Agreement       (4,923) 4,923    
Issuance of common shares - Founders Agreement (in shares)     1,206,667        
Issuance of common shares, net of offering costs - At-the-Market Offering         4,910   4,910
Issuance of common shares, net of offering costs - At-the-Market Offering (in Shares)     1,248,834        
Issuance of common shares - Equity fee on At-the-Market Offering         125   125
Issuance of common shares - Equity fee on At-the-Market Offering (in shares)     31,220        
Issuance of common shares under ESPP         169   $ 169
Issuance of common shares under ESPP (in shares)     68,351       68,351
Stock-based compensation expenses         805   $ 805
Stock-based compensation expenses (in shares)     115,250        
Exercise of warrants (in shares)     2,999        
Net loss           (11,857) (11,857)
Balances at Mar. 31, 2020     $ 4   183,116 (137,316) 45,804
Balances (in shares) at Mar. 31, 2020 250,000 845,385 42,076,840        
Balances at Dec. 31, 2020     $ 7 7,939 275,963 (185,474) 98,435
Balances (in shares) at Dec. 31, 2020 250,000 845,385 70,920,693        
Issuance of common shares - Founders Agreement       (7,577) 7,577    
Issuance of common shares - Founders Agreement (in shares)     2,001,490        
Issuance of common shares, net of offering costs - At-the-Market Offering     $ 1   47,530   47,531
Issuance of common shares, net of offering costs - At-the-Market Offering (in Shares)     11,597,503        
Issuance of common shares - Equity fee on At-the-Market Offering       (144) 1,342   1,198
Issuance of common shares - Equity fee on At-the-Market Offering (in shares)     325,221        
Issuance of common shares under ESPP         158   $ 158
Issuance of common shares under ESPP (in shares)     54,920       55,963
Stock-based compensation expenses         996   $ 996
Stock-based compensation expenses (in shares)     143,188        
Exercise of warrants (in shares)     138        
Net loss           (14,957) (14,957)
Balances at Mar. 31, 2021     $ 8 $ 218 $ 333,566 $ (200,431) $ 133,361
Balances (in shares) at Mar. 31, 2021 250,000 845,385 85,043,153