Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2020	$ 43	$ 346,045	$ (275,002)	$ 71,086
Balance (in shares) at Dec. 31, 2020	43,336,277
Issuance of common stock upon exercise of stock options			0
Issuance of common stock upon exercise of stock options (in shares)	281
Issuance of common stock upon vesting of restricted stock units			0
Issuance of common stock upon vesting of restricted stock units (in shares)	10,366
Issuance of warrant		261	0	261
Stock-based compensation		745	0	745
Net loss			(9,183)	(9,183)
Balance at Mar. 31, 2021	$ 43	347,051	(284,185)	62,909
Balance (in shares) at Mar. 31, 2021	43,346,924
Balance at Dec. 31, 2020	$ 43	346,045	(275,002)	71,086
Balance (in shares) at Dec. 31, 2020	43,336,277
Net loss				(23,016)
Balance at Sep. 30, 2021	$ 52	370,930	(298,018)	72,964
Balance (in shares) at Sep. 30, 2021	51,976,804
Balance at Mar. 31, 2021	$ 43	347,051	(284,185)	62,909
Balance (in shares) at Mar. 31, 2021	43,346,924
Issuance of common stock upon vesting of restricted stock units			0
Issuance of common stock upon vesting of restricted stock units (in shares)	2,088
Sale of common stock, net	$ 9	21,702	0	21,711
Sale of common stock, net (in shares)	8,626,037
Stock-based compensation		953	0	953
Net loss			(6,552)	(6,552)
Balance at Jun. 30, 2021	$ 52	369,706	(290,737)	79,021
Balance (in shares) at Jun. 30, 2021	51,975,049
Issuance of common stock upon vesting of restricted stock units			0
Issuance of common stock upon vesting of restricted stock units (in shares)	1,755
Stock-based compensation		1,224	0	1,224
Net loss			(7,281)	(7,281)
Balance at Sep. 30, 2021	$ 52	370,930	(298,018)	72,964
Balance (in shares) at Sep. 30, 2021	51,976,804
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, 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 (in shares)				193,331
Net loss				$ (34,482)
Balance at Sep. 30, 2022	$ 64	439,033	(344,063)	95,034
Balance (in shares) at Sep. 30, 2022	64,460,394
Balance at Mar. 31, 2022	$ 53	380,860	(325,524)	55,389
Balance (in shares) at Mar. 31, 2022	53,054,158
Issuance of common stock upon exercise of stock options		1	0	1
Issuance of common stock upon exercise of stock options (in shares)	364
Issuance of common stock upon vesting of restricted stock units			0
Issuance of common stock upon vesting of restricted stock units (in shares)	17,496
Sale of common stock, net	$ 11	54,450	0	54,461
Sale of common stock, net (in shares)	11,274,510
Stock-based compensation		1,703	0	1,703
Net loss			(9,447)	(9,447)
Balance at Jun. 30, 2022	$ 64	437,014	(334,971)	102,107
Balance (in shares) at Jun. 30, 2022	64,346,528
Issuance of common stock upon exercise of stock options		141	0	141
Issuance of common stock upon exercise of stock options (in shares)	49,440
Issuance of common stock upon vesting of restricted stock units			0
Issuance of common stock upon vesting of restricted stock units (in shares)	17,502
Issuance of common stock under employee stock purchase plan		230	0	230
Issuance of common stock under employee stock purchase plan (in shares)	46,924
Stock-based compensation		1,648	0	1,648
Net loss			(9,092)	(9,092)
Balance at Sep. 30, 2022	$ 64	$ 439,033	$ (344,063)	$ 95,034
Balance (in shares) at Sep. 30, 2022	64,460,394