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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock
Additional Paid-In Capital
(Accumulated Deficit) Retained Earnings
Total
Balances at the beginning at Dec. 31, 2021 $ 20 $ 119,962 $ 8,245 $ 128,227
Balances at the beginning (in shares) at Dec. 31, 2021 19,877,786      
Increase (Decrease) in Stockholders' Equity        
Stock-based compensation   5,121   5,121
Exercise of common stock options and vesting of performance and restricted stock units   152   152
Exercise of common stock options and vesting of performance and restricted stock units (in shares) 169,085      
Common shares issued for employee stock purchase plan   824   824
Common shares issued for employee stock purchase plan (in shares) 85,274      
Net loss for the period     (20,208) (20,208)
Balances at the end at Jun. 30, 2022 $ 20 126,059 (11,963) 114,116
Balances at the end (in shares) at Jun. 30, 2022 20,132,145      
Balances at the beginning at Mar. 31, 2022 $ 20 122,281 (7,323) 114,978
Balances at the beginning (in shares) at Mar. 31, 2022 19,939,843      
Increase (Decrease) in Stockholders' Equity        
Stock-based compensation   2,892   2,892
Exercise of common stock options and vesting of performance and restricted stock units   62   62
Exercise of common stock options and vesting of performance and restricted stock units (in shares) 107,028      
Common shares issued for employee stock purchase plan   824   824
Common shares issued for employee stock purchase plan (in shares) 85,274      
Net loss for the period     (4,640) (4,640)
Balances at the end at Jun. 30, 2022 $ 20 126,059 (11,963) 114,116
Balances at the end (in shares) at Jun. 30, 2022 20,132,145      
Balances at the beginning at Dec. 31, 2022 $ 20 131,001 (9,621) 121,400
Balances at the beginning (in shares) at Dec. 31, 2022 20,252,677      
Increase (Decrease) in Stockholders' Equity        
Stock-based compensation   3,831   3,831
Exercise of common stock options and vesting of performance and restricted stock units   11   11
Exercise of common stock options and vesting of performance and restricted stock units (in shares) 209,809      
Sale of common stock from follow-on public offering, net of offering expenses $ 3 34,622   34,625
Sale of common stock from follow-on public offering, net of offering expenses (in shares) 2,875,000      
Common shares issued for employee stock purchase plan   882   882
Common shares issued for employee stock purchase plan (in shares) 120,816      
Net loss for the period     (1,986) (1,986)
Balances at the end at Jun. 30, 2023 $ 23 170,347 (11,607) 158,763
Balances at the end (in shares) at Jun. 30, 2023 23,458,302      
Balances at the beginning at Mar. 31, 2023 $ 23 167,646 (11,507) 156,162
Balances at the beginning (in shares) at Mar. 31, 2023 23,235,065      
Increase (Decrease) in Stockholders' Equity        
Stock-based compensation   1,808   1,808
Exercise of common stock options and vesting of performance and restricted stock units   11   11
Exercise of common stock options and vesting of performance and restricted stock units (in shares) 102,421      
Common shares issued for employee stock purchase plan   882   882
Common shares issued for employee stock purchase plan (in shares) 120,816      
Net loss for the period     (100) (100)
Balances at the end at Jun. 30, 2023 $ 23 $ 170,347 $ (11,607) $ 158,763
Balances at the end (in shares) at Jun. 30, 2023 23,458,302