v3.24.1.u1
Statements of Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2022 $ 24 $ 203,585 $ (183,295) $ 20,314
Beginning balance, shares at Dec. 31, 2022 23,973        
Stock-based compensation 927 927
Stock-based compensation, shares 297        
Stock option exercise 39 39
Stock option exercises, shares 10        
At-the-market sale of stock, net of commissions and expenses 274 274
At-the-market sale of stock, net of commissions and expenses, shares 50        
Net loss (5,019) (5,019)
Unrealized gain (loss) on available-for-sale securities (2) (2)
Ending balance, value at Mar. 31, 2023 $ 24 204,825 (2) (188,314) 16,533
Ending balance, shares at Mar. 31, 2023 24,330        
Beginning balance, value at Dec. 31, 2023 $ 26 221,229 (203,085) 18,170
Beginning balance, shares at Dec. 31, 2023 26,107        
Stock-based compensation 1,024 1,024
Stock-based compensation, shares 275        
Stock option exercise 86 86
Stock option exercises, shares 13        
Forfeiture of restricted stock issuance
Forfeiture of restricted stock issuance, shares (20)        
At-the-market sale of stock, net of commissions and expenses $ 1 3,949 3,950
At-the-market sale of stock, net of commissions and expenses, shares 510        
Net loss (4,822) (4,822)
Unrealized gain (loss) on available-for-sale securities (1) (1)
Ending balance, value at Mar. 31, 2024 $ 27 $ 226,288 $ (1) $ (207,907) $ 18,407
Ending balance, shares at Mar. 31, 2024 26,885