CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue	$ 92,865	$ 152,079
Costs and expenses:
Cost of revenue	13,405	15,379
Research and development	16,747	28,148
Sales and marketing	76,360	122,855
General and administrative	78,856	96,654
Gain from litigation settlement	(46,000)	0
Impairment of goodwill and long-lived assets	0	3,335
Total costs and expenses	139,368	266,371
Loss from operations	(46,503)	(114,292)
Gain on extinguishment of debt	0	15,205
Interest income (expense), net	298	(2,852)
Change in fair value of common stock warrant liabilities	11	278
Other (expense) income, net	(530)	540
Loss before income taxes	(46,724)	(101,121)
Provision for income taxes	66	239
Net loss	$ (46,790)	$ (101,360)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (2.62)	$ (4.85)
Diluted (in dollars per share)	$ (2.62)	$ (4.85)
Weighted average shares outstanding:
Basic (in shares)	17,845,771	20,893,085
Diluted (in shares)	17,845,771	20,893,085
Other comprehensive income:
Change in unrealized gain on available-for-sale investments, net of tax	$ 7	$ 1,556
Total other comprehensive income	7	1,556
Total comprehensive loss	$ (46,783)	$ (99,804)