Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS??? EQUITY (UNAUDITED)

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CONDENSED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning balance (shares) at Dec. 31, 2020   0 100,664    
Beginning balance at Dec. 31, 2020 $ 11,212 $ 0 $ 10 $ 75,123 $ (63,921)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under equity commitment (shares)     6,127    
Issuance of common stock under equity commitment 3,222   $ 1 3,221  
Stock-based compensation 657     657  
Net loss (3,127)       (3,127)
Ending balance (shares) at Mar. 31, 2021   0 106,791    
Ending balance at Mar. 31, 2021 11,964 $ 0 $ 11 79,001 (67,048)
Beginning balance (shares) at Dec. 31, 2021   0 112,482    
Beginning balance at Dec. 31, 2021 3,543 $ 0 $ 11 83,007 (79,475)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of preferred stock and common stock warrants, net of issuance costs (shares)   1      
Issuance of preferred stock and common stock warrants, net of issuance costs 554 $ 280   274  
Issuance of common stock under equity commitment (shares)     6,804    
Issuance of common stock under equity commitment 1,229   $ 1 1,228  
Common stock issued for services (shares)     3,496    
Common stock issued for services 384   $ 400 384  
Stock-based compensation 516     516  
Net loss (2,217)       (2,217)
Ending balance (shares) at Mar. 31, 2022   1 122,782    
Ending balance at Mar. 31, 2022 $ 4,009 $ 280 $ 12 $ 85,409 $ (81,692)