Consolidated Statements of Stockholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Convertible Notes The Mann Group L L C	Convertible Note Principal	Convertible Note Principal The Mann Group L L C	Convertible Note Interest The Mann Group L L C	Common Stock	Common Stock Convertible Note Principal	Common Stock Convertible Note Principal The Mann Group L L C	Common Stock Convertible Note Interest The Mann Group L L C	Additional Paid-in Capital	Additional Paid-in Capital Convertible Note Principal	Additional Paid-in Capital Convertible Note Principal The Mann Group L L C	Additional Paid-in Capital Convertible Note Interest The Mann Group L L C	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ (209,349)					$ 2,515				$ 2,918,205					$ (3,130,069)
Beginning Balance (in shares) at Dec. 31, 2021						251,478
Net issuance of common stock associated with restricted stock units and stock options	319					$ 22				297
Net issuance of common stock associated with restricted stock units and stock options (in shares)						2,242
Issuance of common stock pursuant to conversion notes		$ 9,596			$ 674			$ 39	$ 2			$ 9,557	$ 672
Issuance of common stock pursuant to conversion notes (in shares)								3,838	237
Issuance of at-the-market offering	19,790					$ 51				19,739
Issuance of at-the-market offering (in shares)						5,060
Issuance costs associated with at-the-market offering	(381)									(381)
Issuance of common stock under the employee stock purchase plan	2,082					$ 6				2,076
Issuance of common stock under the employee stock purchase plan (in shares)						686
Issuance of common stock from market price stock purchase plan	684					$ 3				681
Issuance of common stock from market price stock purchase plan (in shares)						252
Stock-based compensation expense	13,447									13,447
Net Income (Loss)	(87,400)														(87,400)
Ending Balance at Dec. 31, 2022	(250,538)					$ 2,638				2,964,293					(3,217,469)
Ending Balance (in shares) at Dec. 31, 2022						263,793
Net issuance of common stock associated with restricted stock units and stock options	(10,162)					$ 41				(10,203)
Net issuance of common stock associated with restricted stock units and stock options (in shares)						4,169
Issuance of common stock pursuant to conversion notes					222				$ 1				221
Issuance of common stock pursuant to conversion notes (in shares)									51
Issuance of at-the-market offering	6,887					$ 15				6,872
Issuance of at-the-market offering (in shares)						1,478
Issuance costs associated with at-the-market offering	(108)									(108)
Issuance of common stock under the employee stock purchase plan	1,668					$ 5				1,663
Issuance of common stock under the employee stock purchase plan (in shares)						507
Issuance of common stock from market price stock purchase plan	152									152
Issuance of common stock from market price stock purchase plan (in shares)						36
Stock-based compensation expense	17,649									17,649
Net Income (Loss)	(11,938)														(11,938)
Ending Balance at Dec. 31, 2023	(246,168)					$ 2,700				2,980,539					(3,229,407)
Ending Balance (in shares) at Dec. 31, 2023						270,034
Net issuance of common stock associated with restricted stock units and stock options	(6,087)					$ 38				(6,125)
Net issuance of common stock associated with restricted stock units and stock options (in shares)						3,746
Issuance of common stock pursuant to conversion notes			$ 116,439	$ 3,750	$ 56		$ 267	$ 15			$ 11,617	$ 3,735	$ 56
Issuance of common stock pursuant to conversion notes (in shares)							26,750	1,500	15
Issuance of common stock under the employee stock purchase plan	1,778					$ 5				1,773
Issuance of common stock under the employee stock purchase plan (in shares)						499
Issuance of common stock from market price stock purchase plan	1,361					$ 4				1,357
Issuance of common stock from market price stock purchase plan (in shares)						416
Stock-based compensation expense	21,358									21,358
Unrealized gain on available-for-sale securities	1,109													$ 1,109
Net Income (Loss)	27,588														27,588
Ending Balance at Dec. 31, 2024	$ (78,816)					$ 3,029				$ 3,118,865				$ 1,109	$ (3,201,819)
Ending Balance (in shares) at Dec. 31, 2024						302,960