CONDENSED 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, 2024				5,456,072	2,542,365
Beginning 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)					2,292
Exercise of stock options	3					3
Vesting of restricted stock units (in shares)				56,904
Conversion of Class B shares into Class A common stock (in shares)				2,292	(2,292)
Stock-based compensation	2,319					2,319
Comprehensive income (loss)	690						690
Net loss	(21,875)							(21,875)
Ending balance (in shares) at Mar. 31, 2025				5,515,268	2,542,365
Ending balance at Mar. 31, 2025	82,822			$ 1	$ 0	594,204	(4,991)	(506,392)
Beginning balance (in shares) at Dec. 31, 2025		6,176,841	2,542,340	6,176,841	2,542,340
Beginning balance at Dec. 31, 2025	$ 35,914			$ 1	$ 0	601,587	(3,874)	(561,800)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	0
Vesting of restricted stock units (in shares)				53,044
Conversion of Class B shares into Class A common stock (in shares)				1,949	(1,949)
Acquisition of treasury stock (in shares)				(10,999)
Amortization of issuance costs under public offerings	$ (41)					(41)
Stock-based compensation	1,168					1,168
Comprehensive income (loss)	(41)						(41)
Net loss	(20,724)							(20,724)
Ending balance (in shares) at Mar. 31, 2026		6,220,835	2,540,391	6,220,835	2,540,391
Ending balance at Mar. 31, 2026	$ 16,276			$ 1	$ 0	$ 602,714	$ (3,915)	$ (582,524)