STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common stock
Additional paid-in capital
Treasury stocks
Accumulated deficit
Total
Balance at Dec. 31, 2021 $ 12 [1] $ 192,990 $ (116) $ (173,544) $ 19,342
Balance (in shares) at Dec. 31, 2021 36,401,413        
Stock-based compensation related to stock and options granted to directors and employees   505 0 0 505
Stock-based compensation related to stock and options granted to directors and employees (in shares) 84,767        
Net loss       (5,360) (5,360)
Balance at Mar. 31, 2022 $ 12 [1] 193,495 (116) (178,904) 14,487
Balance (in shares) at Mar. 31, 2022 36,486,180        
Balance at Dec. 31, 2022 $ 12 [1] 194,910 (116) (197,821) (3,015)
Balance (in shares) at Dec. 31, 2022 36,694,078        
Stock-based compensation related to stock and options granted to directors and employees   4   0 4
Stock-based compensation related to stock and options granted to directors and employees (in shares) (18,827)        
Issuance of shares in at-the-market (ATM) offering   3,230   0 3,230
Issuance of shares in at-the-market (ATM) offering (in shares) 1,800,000        
Net loss $ 0 0   (5,059) (5,059)
Balance at Mar. 31, 2023 $ 12 [1] $ 198,144 $ (116) $ (202,880) $ (4,840)
Balance (in shares) at Mar. 31, 2023 38,475,251        
[1] Represents an amount less than $1.