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Condensed Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
Preferred stock
Common stock
Additional paid-in capital
Accumulated deficit
Total
Balance, beginning of period at Dec. 31, 2020     $ 1,364,000 $ (107,497,000) $ (106,133,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   71,647     71,647
Exercise of options     54,000   $ 54,000
Net loss       (28,845,000) (28,845,000)
Balance, end of period at Dec. 31, 2021   $ 0 6,738,000 (136,342,000) $ (129,604,000)
Balances, end of period (in shares) at Dec. 31, 2021   264,978     264,977
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   33,747      
Exercise of options     61,000   $ 61,000
Stock-based compensation     62,000   62,000
Net loss       (7,873,000) (7,873,000)
Balance, end of period at Mar. 31, 2022   $ 0 6,861,000 (144,215,000) (137,354,000)
Balances, end of period (in shares) at Mar. 31, 2022   298,725      
Balance, beginning of period at Dec. 31, 2021   $ 0 6,738,000 (136,342,000) $ (129,604,000)
Balances, beginning of period (in shares) at Dec. 31, 2021   264,978     264,977
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss         $ (24,645,000)
Balance, end of period at Sep. 30, 2022   $ 0 7,062,000 (160,987,000) (153,925,000)
Balances, end of period (in shares) at Sep. 30, 2022   320,245      
Balance, beginning of period at Dec. 31, 2021   $ 0 6,738,000 (136,342,000) $ (129,604,000)
Balances, beginning of period (in shares) at Dec. 31, 2021   264,978     264,977
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   82,879     82,879
Exercise of options     94,000   $ 94,000
Net loss       (47,187,000) (47,187,000)
Ending balance (in shares) at Dec. 31, 2022 0        
Balance, end of period at Dec. 31, 2022 $ 0 $ 0 10,028,000 (186,358,000) $ (176,330,000)
Balances, end of period (in shares) at Dec. 31, 2022   347,926     347,926
Balance, beginning of period at Mar. 31, 2022   $ 0 6,861,000 (144,215,000) $ (137,354,000)
Balances, beginning of period (in shares) at Mar. 31, 2022   298,725      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   9,393      
Exercise of options     5,000   5,000
Stock-based compensation     70,000   70,000
Net loss       (8,679,000) (8,679,000)
Balance, end of period at Jun. 30, 2022   $ 0 6,936,000 (152,894,000) (145,958,000)
Balances, end of period (in shares) at Jun. 30, 2022   308,118      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   12,128      
Exercise of options     7,000   7,000
Stock-based compensation     119,000   119,000
Net loss       (8,093,000) (8,093,000)
Balance, end of period at Sep. 30, 2022   $ 0 7,062,000 (160,987,000) (153,925,000)
Balances, end of period (in shares) at Sep. 30, 2022   320,245      
Balance, beginning of period at Dec. 31, 2022 $ 0 $ 0 10,028,000 (186,358,000) $ (176,330,000)
Balances, beginning of period (in shares) at Dec. 31, 2022   347,926     347,926
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options (in shares)   95,842      
Exercise of options     50,000   $ 50,000
Stock-based compensation     73,000   73,000
Deemed dividend     959,000 (959,000)  
Net loss       (8,268,000) (8,268,000)
Ending balance (in shares) at Mar. 31, 2023 0        
Balance, end of period at Mar. 31, 2023 $ 0 $ 0 11,110,000 (195,585,000) (184,475,000)
Balances, end of period (in shares) at Mar. 31, 2023   443,768      
Beginning balance (in shares) at Dec. 31, 2022 0        
Balance, beginning of period at Dec. 31, 2022 $ 0 $ 0 10,028,000 (186,358,000) $ (176,330,000)
Balances, beginning of period (in shares) at Dec. 31, 2022   347,926     347,926
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Assumption of preferred stock in connection with the Business Combination         $ 551,000
Net loss         $ (23,529,000)
Ending balance (in shares) at Sep. 30, 2023 4,015,002       4,015,002
Balance, end of period at Sep. 30, 2023 $ 1,000 $ 2,000 221,351,000 (212,867,000) $ 8,487,000
Balances, end of period (in shares) at Sep. 30, 2023   26,316,681     26,316,681
Beginning balance (in shares) at Mar. 31, 2023 0        
Balance, beginning of period at Mar. 31, 2023 $ 0 $ 0 11,110,000 (195,585,000) $ (184,475,000)
Balances, beginning of period (in shares) at Mar. 31, 2023   443,768      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options   $ 4,592 16,000   16,000
Stock-based compensation     69,000   69,000
Deemed dividend     2,022,000 (2,022,000)  
Net loss       (13,974,000) (13,974,000)
Ending balance (in shares) at Jun. 30, 2023 0        
Balance, end of period at Jun. 30, 2023 $ 0 $ 0 13,217,000 (211,581,000) (198,364,000)
Balances, end of period (in shares) at Jun. 30, 2023   448,360      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of options   $ 50,646 29,000   29,000
Stock-based compensation     259,000   259,000
Conversion of redeemable convertible preferred stock into common stock in connection with the Business Combination (in shares)   21,500,867      
Conversion of redeemable convertible preferred stock into common stock in connection with the Business Combination   $ 2,000 204,234,000   204,236,000
Assumption of warrants to purchase common stock in connection with the Business Combination     (2,568,000)   (2,568,000)
Issuance of common stock upon closing the Business Combination, net of expenses     957,000   957,000
Issuance of common stock upon closing of the Business Combination (in shares)   4,316,808      
Contingent earnout liability recognized upon closing of the Business Combination     (28,927,000)   (28,927,000)
Issuance of preferred stock with PIPE financing (in shares) 4,015,002        
Assumption of preferred stock in connection with the Business Combination $ 1,000   34,150,000   34,151,000
Net loss       (1,286,000) $ (1,286,000)
Ending balance (in shares) at Sep. 30, 2023 4,015,002       4,015,002
Balance, end of period at Sep. 30, 2023 $ 1,000 $ 2,000 $ 221,351,000 $ (212,867,000) $ 8,487,000
Balances, end of period (in shares) at Sep. 30, 2023   26,316,681     26,316,681