Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional paid-in capital
Accumulated deficit
Total
Beginning Balances at Dec. 31, 2021 $ 13 $ 43,387 $ (14,444) $ 28,956
Beginning Balances (in shares) at Dec. 31, 2021 645,943      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options   4   4
Exercise of stock options (in shares) 40      
Stock-based compensation   323   323
Net loss     (2,459) (2,459)
Ending Balance at Mar. 31, 2022 $ 13 43,714 (16,903) 26,824
Ending Balance (in shares) at Mar. 31, 2022 645,983      
Beginning Balances at Dec. 31, 2021 $ 13 43,387 (14,444) 28,956
Beginning Balances (in shares) at Dec. 31, 2021 645,943      
Ending Balance at Dec. 31, 2022 $ 21 50,000 (44,556) 5,465
Ending Balance (in shares) at Dec. 31, 2022 1,051,098      
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Share issuance, net $ 1 299   300
Share issuance, net (in shares) 50,000      
Stock-based compensation   (10)   (10)
Net loss     (4,314) (4,314)
Ending Balance at Mar. 31, 2023 $ 22 $ 50,289 $ (48,870) $ 1,441
Ending Balance (in shares) at Mar. 31, 2023 1,101,098