CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023				5,128,961	2,627,388
Beginning balance at Dec. 31, 2023	$ 185,329			$ 1	$ 0	$ 579,862	$ (3,335)	$ (391,199)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)					1,250
Exercise of stock options	52					52
Vesting of restricted stock units (in shares)				217,997
Issuance of common stock under employee stock purchase plan (in shares)				22,841
Issuance of common stock under employee stock purchase plan	235					235
Conversion of Class B shares into Class A common stock (in shares)				86,273	(86,273)
Stock-based compensation	11,734					11,734
Comprehensive income (loss)	(2,345)						(2,345)
Net loss	(93,318)							(93,318)
Ending balance (in shares) at Dec. 31, 2024		5,456,072	2,542,365	5,456,072	2,542,365
Ending balance at Dec. 31, 2024	$ 101,685			$ 1	$ 0	591,882	(5,681)	(484,517)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	2,756				2,756
Exercise of stock options	$ 4					4
Vesting of restricted stock units (in shares)				302,031
Issuance of common stock under employee stock purchase plan (in shares)				29,668
Issuance of common stock under employee stock purchase plan	128					128
Conversion of Class B shares into Class A common stock (in shares)				2,781	(2,781)
Issuance of common stock under at-the-market (ATM) offerings, net of costs (in shares)				386,289
Issuance of common stock under at-the-market (ATM) offerings, net of costs	1,697					1,697
Stock-based compensation	7,876					7,876
Comprehensive income (loss)	1,807						1,807
Net loss	(77,283)							(77,283)
Ending balance (in shares) at Dec. 31, 2025		6,176,841	2,542,340	6,176,841	2,542,340
Ending balance at Dec. 31, 2025	$ 35,914			$ 1	$ 0	$ 601,587	$ (3,874)	$ (561,800)