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Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Series A
Redeemable Convertible Preferred Stock
Series B
Redeemable Convertible Preferred Stock
Common Stock
Additional Paid-In Capital
Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2020 $ 13,856 $ 18,962 $ 1 $ (40,881) $ (40,880)
Balance (in Shares) at Dec. 31, 2020 2,692,253 4,942,319 6,393,069        
Stock-based compensation 355 355
Accretion of Series A and Series B redeemable convertible preferred stock 686 1,803 (2,489) (2,489)
Issuance of common stock upon exercise of options 49 49
Issuance of common stock upon exercise of options (in Shares)     134,541        
Vesting of early exercised stock options 38 38
Reclassification of negative additional paid-in capital 2,114 (2,114)
Conversion of preferred stock to common stock upon initial public offering net of issuance costs $ (14,542) $ (20,765) $ 1 35,306 35,307
Conversion of preferred stock to common stock upon initial public offering net of issuance costs (in Shares) (2,692,253) (4,942,319) 11,436,956        
Issuance of common stock upon initial public offering, net of issuance costs $ 1 41,924 41,925
Issuance of common stock upon initial public offering, net of issuance costs (in Shares)     9,775,000        
Issuance of underwriter warrants upon initial public offering 2,349 2,349
Reclassification of liability-classified warrants upon initial public offering 3,130 3,130
Conversion of convertible promissory notes and accrued interest upon initial public offering 12,550 12,550
Conversion of convertible promissory notes and accrued interest upon initial public offering (in Shares)     5,015,494        
Issuance of common stock for nonemployee services 85 85
Issuance of common stock for nonemployee services (in Shares)     17,000        
Beneficial conversion feature upon issuance of convertible promissory note 471 471
Net loss (5,608) (5,608)
Balance at Mar. 31, 2021 $ 3 95,882 (48,603) 47,282
Balance (in Shares) at Mar. 31, 2021     32,772,060        
Balance at Dec. 31, 2021 $ 3 97,506 (11) (64,768) 32,730
Balance (in Shares) at Dec. 31, 2021     32,772,060        
Stock-based compensation 715 715
Vesting of early exercised stock options 40 40
Other comprehensive loss (19) (19)
Net loss (6,932) (6,932)
Balance at Mar. 31, 2022 $ 3 $ 98,261 $ (30) $ (71,700) $ 26,534
Balance (in Shares) at Mar. 31, 2022     32,772,060