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CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Balance at Dec. 31, 2021 $ 111,371 $ 3 $ 214,685 $ (184) $ (103,133)
Balance, Shares at Dec. 31, 2021   23,491,881      
Exercise of common stock options 2   2    
Exercise of common stock options, Shares   992      
Stock-based compensation 1,141   1,141    
Unrealized gain (loss) on available for sale securities (509)     (509)  
Net loss (11,762)       (11,762)
Balance at Mar. 31, 2022 100,243 $ 3 215,828 (693) (114,895)
Balance, Shares at Mar. 31, 2022   23,492,873      
Balance at Dec. 31, 2022 $ 68,486 $ 3 218,354 (558) (149,313)
Balance, Shares at Dec. 31, 2022 23,601,004 23,601,004      
Issuance of common stock related to vesting of restricted stock units, net of tax withholdings $ (23)   (23)    
Issuance of common stock related to vesting of restricted stock units, net of tax withholdings, shares   29,112      
Issuance of common stock and warrants, net of offering costs, shares   16,116,000      
Issuance of common stock and warrants, net of offering costs 50,895 $ 1 50,894    
Stock-based compensation 1,060   1,060    
Unrealized gain (loss) on available for sale securities 370     370  
Net loss (12,791)       (12,791)
Balance at Mar. 31, 2023 $ 107,997 $ 4 $ 270,285 $ (188) $ (162,104)
Balance, Shares at Mar. 31, 2023 39,746,116 39,746,116