Quarterly report pursuant to Section 13 or 15(d)

Condensed Statement of Changes in Stockholders??? Equity (Deficit) (Unaudited)

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Condensed Statement of Changes in Stockholders’ Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021   7,809,912    
Beginning balance at Dec. 31, 2021 $ 13,410 $ 1 $ 22,633 $ (9,224)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock based compensation, expense 159   159  
Sale of Common Stock and Warrants (in shares)   136,025    
Sale of Common Stock and Warrants 804   804  
Stock issuance upon vesting and exercise of stock options (in shares)   9,201    
Stock issuance upon vesting of restricted stock awards (in shares)   3,750    
Net loss (2,146)     (2,146)
Ending balance (in shares) at Mar. 31, 2022   7,958,888    
Ending balance at Mar. 31, 2022 12,227 $ 1 23,596 (11,370)
Beginning balance (in shares) at Dec. 31, 2022   8,009,743    
Beginning balance at Dec. 31, 2022 2,374 $ 1 24,559 (22,186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock based compensation, expense 393   393  
Sale of Common Stock and Warrants (in shares)   206,289    
Sale of Common Stock and Warrants $ 494   494  
Stock issuance upon vesting and exercise of stock options (in shares) 0      
Stock issuance upon vesting of restricted stock awards (in shares)   3,750    
Stock issuance upon exercise of Warrants (in shares) 1,471 7,292    
Stock issuance upon exercise of Warrants $ 16   16  
Net loss (4,136)     (4,136)
Ending balance (in shares) at Mar. 31, 2023   8,227,074    
Ending balance at Mar. 31, 2023 $ (859) $ 1 $ 25,462 $ (26,322)