Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit).	Total
Balances at the beginning at Dec. 31, 2020	$ 19	$ 104,675	$ 20,056	$ 124,750
Balances at the beginning (in shares) at Dec. 31, 2020	19,492,718
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		10,173		10,173
Exercise of common stock options and vesting of performance and restricted stock units	$ 1	3,975		3,976
Exercise of common stock options and vesting of performance and restricted stock units (in shares)	333,763
Taxes paid for net share settlement of restricted stock units		(1,173)		(1,173)
Taxes paid for net share settlement of restricted stock units (in shares)	(22,357)
Common shares issued for employee stock purchase plan		2,312		2,312
Common shares issued for employee stock purchase plan (in shares)	73,662
Net income (loss) for the period			(11,811)	(11,811)
Balances at the end at Dec. 31, 2021	$ 20	119,962	8,245	128,227
Balances at the end (in shares) at Dec. 31, 2021	19,877,786
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		9,600		9,600
Exercise of common stock options and vesting of performance and restricted stock units		153		153
Exercise of common stock options and vesting of performance and restricted stock units (in shares)	225,282
Common shares issued for employee stock purchase plan		1,286		1,286
Common shares issued for employee stock purchase plan (in shares)	149,609
Net income (loss) for the period			(17,866)	(17,866)
Balances at the end at Dec. 31, 2022	$ 20	131,001	(9,621)	121,400
Balances at the end (in shares) at Dec. 31, 2022	20,252,677
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		7,547		7,547
Exercise of common stock options and vesting of performance and restricted stock units	$ 1	13		14
Exercise of common stock options and vesting of performance and restricted stock units (in shares)	283,624
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		1,541		1,541
Common shares issued for employee stock purchase plan (in shares)	189,283
Net income (loss) for the period			28,515	28,515
Balances at the end at Dec. 31, 2023	$ 24	$ 174,724	$ 18,894	$ 193,642
Balances at the end (in shares) at Dec. 31, 2023	23,600,584