Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity

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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid in Capital
Accumulated Deficit
Treasury Stock
Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2022   16,210,776        
Beginning balance at Dec. 31, 2022 $ 63,631 $ 16 $ 109,138 $ 11,753 $ (58,033) $ 757
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock in asset acquisition (in shares)   100,000        
Issuance of common stock in asset acquisition 1,000 $ 1 999      
Repurchases of common shares (in shares)   (69,628)        
Repurchases of common shares (588)       (588)  
Issuance of common stock upon stock options cashless exercise (in shares)   603,881        
Issuance of warrants with unsecured promissory note 398   398      
Treasury shares repurchased to satisfy tax withholding obligations (5,379)       (5,379)  
Unrealized gain (loss) on marketable securities (169)         (169)
Stock-based compensation 3,254   3,254      
Net income (loss) (2,890)     (2,890)    
Ending balance (in shares) at Jun. 30, 2023   16,845,029        
Ending balance at Jun. 30, 2023 59,257 $ 17 113,789 8,863 (64,000) 588
Beginning balance (in shares) at Mar. 31, 2023   16,851,041        
Beginning balance at Mar. 31, 2023 59,941 $ 17 111,482 12,303 (63,953) 92
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Repurchases of common shares (in shares)   (6,012)        
Repurchases of common shares (47)       (47)  
Unrealized gain (loss) on marketable securities 496         496
Stock-based compensation 2,307   2,307      
Net income (loss) (3,440)     (3,440)    
Ending balance (in shares) at Jun. 30, 2023   16,845,029        
Ending balance at Jun. 30, 2023 $ 59,257 $ 17 113,789 8,863 (64,000) 588
Beginning balance (in shares) at Dec. 31, 2023 18,045,029 18,045,029        
Beginning balance at Dec. 31, 2023 $ 49,383 $ 18 118,694 (5,029) (64,000) (300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock for cash, net of offering cost (in shares)   1,033,500        
Issuance of common stock for cash, net of offering cost 4,624   4,624      
Unrealized gain (loss) on marketable securities 102         102
Stock-based compensation 2,385   2,385      
Net income (loss) $ (12,418)     (12,418)    
Ending balance (in shares) at Jun. 30, 2024 19,078,529 19,078,529        
Ending balance at Jun. 30, 2024 $ 44,076 $ 18 125,703 (17,447) (64,000) (198)
Beginning balance (in shares) at Mar. 31, 2024   18,045,029        
Beginning balance at Mar. 31, 2024 44,867 $ 18 120,283 (11,294) (64,000) (140)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock for cash, net of offering cost (in shares)   1,033,500        
Issuance of common stock for cash, net of offering cost 4,624   4,624      
Unrealized gain (loss) on marketable securities (58)         (58)
Stock-based compensation 796   796      
Net income (loss) $ (6,153)     (6,153)    
Ending balance (in shares) at Jun. 30, 2024 19,078,529 19,078,529        
Ending balance at Jun. 30, 2024 $ 44,076 $ 18 $ 125,703 $ (17,447) $ (64,000) $ (198)