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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2021 $ 52 $ 374,794 $ (309,581) $ 65,265
Balance (in shares) at Dec. 31, 2021 52,287,737      
Issuance of common stock upon exercise of stock options   593 0 593
Issuance of common stock upon exercise of stock options (in shares) 143,048      
Issuance of common stock upon vesting of restricted stock units     0  
Issuance of common stock upon vesting of restricted stock units (in shares) 1,690      
Issuance of common stock under employee stock purchase plan   28 0 28
Issuance of common stock under employee stock purchase plan (in shares) 5,017      
Issuance of warrant   1,317 0 1,317
Equity consideration for acquisition $ 1 (1) 0  
Equity consideration for acquisition (in shares) 616,666      
Stock-based compensation   4,129 0 4,129
Net loss     (15,943) (15,943)
Balance at Mar. 31, 2022 $ 53 380,860 (325,524) 55,389
Balance (in shares) at Mar. 31, 2022 53,054,158      
Balance at Dec. 31, 2022 $ 64 440,954 (350,596) 90,422
Balance (in shares) at Dec. 31, 2022 64,517,912      
Issuance of common stock upon exercise of stock options   79 0 $ 79
Issuance of common stock upon exercise of stock options (in shares) 21,447     21,447
Issuance of common stock upon vesting of restricted stock units $ 1 (1) 0  
Issuance of common stock upon vesting of restricted stock units (in shares) 89,804      
Issuance of common stock under employee stock purchase plan   335 0 $ 335
Issuance of common stock under employee stock purchase plan (in shares) 81,281      
Stock-based compensation   2,552 0 2,552
Net loss     (11,745) (11,745)
Balance at Mar. 31, 2023 $ 65 $ 443,919 $ (362,341) $ 81,643
Balance (in shares) at Mar. 31, 2023 64,710,444