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)   (63,616)        
Repurchases of common shares (541)       (541)  
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 loss on marketable debt securities (665)         (665)
Stock-based compensation 947   947      
Net income (loss) 550     550    
Ending balance (in shares) at Mar. 31, 2023   16,851,041        
Ending balance at Mar. 31, 2023 $ 59,941 $ 17 111,482 12,303 (63,953) 92
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]            
Unrealized loss on marketable debt securities 160         160
Stock-based compensation 1,589   1,589      
Net income (loss) $ (6,265)     (6,265)    
Ending balance (in shares) at Mar. 31, 2024 18,045,029 18,045,029        
Ending balance at Mar. 31, 2024 $ 44,867 $ 18 $ 120,283 $ (11,294) $ (64,000) $ (140)