Annual report pursuant to Section 13 and 15(d)

Statement of Changes in Stockholders' Equity (Deficit)

v3.22.4
Statement of Changes in Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020   3,527,850    
Beginning balance at Dec. 31, 2020 $ (4,785) $ 0 $ 11 $ (4,796)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock based compensation, expense $ 192   192  
Common stock issuance upon vesting and exercise of stock options (in shares) 34,846 34,846    
Shares issued in conversion of notes (in shares)   2,750,000    
Sale of Common Stock & Warrants $ 14,257 $ 1 14,256  
Common stock issuance upon conversion of 2015 Notes (in shares)   1,497,216    
Common stock issuance upon conversion of 2015 Notes 8,174   8,174  
Net loss (4,428)     (4,428)
Ending balance (in shares) at Dec. 31, 2021   7,809,912    
Ending balance at Dec. 31, 2021 13,410 $ 1 22,633 (9,224)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock based compensation, expense $ 1,120   1,120  
Common stock issuance upon vesting and exercise of stock options (in shares) 38,806 38,806    
Stock issuance upon vesting and exercise of stock options $ 2   2  
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   25,000    
Shares issued in conversion of notes (in shares)   136,025    
Sale of Common Stock & Warrants 804   804  
Net loss (12,962)     (12,962)
Ending balance (in shares) at Dec. 31, 2022   8,009,743    
Ending balance at Dec. 31, 2022 $ 2,374 $ 1 $ 24,559 $ (22,186)