CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Total Stockholders' Equity	Common Stock	Additional Paid-in Capital	Treasury Stock, at cost	Accumulated Other Comprehensive Loss	Accumulated Deficit	Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2023			167,392,315
Beginning balance at Dec. 31, 2023	$ 261,103	$ 258,147	$ 17	$ 857,037		$ (62)	$ (598,845)	$ 2,956
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(46,497)	(46,368)					(46,368)	(129)
Issuance of common stock upon exercise of stock options (in shares)			43,041
Issuance of common stock upon exercise of stock options	96	96		96
Issuance of common stock upon exercise of Warrants, net (in shares)			639,138
Issuance of common stock upon exercise of Warrants, net	5,756	5,756		5,756
RSUs vested, net of shares withheld (in shares)			1,683,618
RSU vested, net of shares withheld	(2,223)	(2,223)		(2,223)
Vesting of early exercised stock options	9	9		9
Repurchase of unvested restricted common stock (in shares)			(19,638)
Stock-based compensation	13,852	13,852		13,852
Other comprehensive income (loss), net	9	9				9
Ending balance (in shares) at Mar. 31, 2024			169,738,474
Ending balance at Mar. 31, 2024	232,105	229,278	$ 17	874,527		(53)	(645,213)	2,827
Beginning balance (in shares) at Dec. 31, 2023			167,392,315
Beginning balance at Dec. 31, 2023	261,103	258,147	$ 17	857,037		(62)	(598,845)	2,956
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(185,082)
Other comprehensive income (loss), net	20
Ending balance (in shares) at Sep. 29, 2024			177,591,877
Ending balance at Sep. 29, 2024	170,242	167,592	$ 18	951,237		(42)	(783,621)	2,650
Beginning balance (in shares) at Mar. 31, 2024			169,738,474
Beginning balance at Mar. 31, 2024	232,105	229,278	$ 17	874,527		(53)	(645,213)	2,827
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(115,947)	(115,872)					(115,872)	(75)
Issuance of common stock upon exercise of stock options (in shares)			316,554
Issuance of common stock upon exercise of stock options	2,697	2,697		2,697
Issuance of common stock under employee stock purchase plan (in shares)			148,371
Issuance of common stock under employee stock purchase plan	1,145	1,145		1,145
Issuance of common stock upon exercise of Warrants, net (in shares)			3,719,881
Issuance of common stock upon exercise of Warrants, net	34,204	34,204	$ 1	34,203
RSUs vested, net of shares withheld (in shares)			1,380,079
RSU vested, net of shares withheld	(1,093)	(1,093)		(1,093)
Vesting of early exercised stock options	6	6		6
Repurchase of unvested restricted common stock (in shares)			(665)
Stock-based compensation	19,878	19,878		19,878
Other comprehensive income (loss), net	68	68				68
Ending balance (in shares) at Jun. 30, 2024			175,302,694
Ending balance at Jun. 30, 2024	173,063	170,311	$ 18	931,363		15	(761,085)	2,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(22,638)	(22,536)					(22,536)	(102)
Issuance of common stock upon exercise of stock options (in shares)			193,447
Issuance of common stock upon exercise of stock options	1,532	1,532		1,532
Issuance of common stock upon exercise of Warrants, net (in shares)			153,822
Issuance of common stock upon exercise of Warrants, net	2,276	2,276		2,276
RSUs vested, net of shares withheld (in shares)			1,985,662
RSU vested, net of shares withheld	(2,286)	(2,286)		(2,286)
Vesting of early exercised stock options	5	5		5
Repurchase of unvested restricted common stock (in shares)			(43,748)
Stock-based compensation	18,347	18,347		18,347
Other comprehensive income (loss), net	(57)	(57)				(57)
Ending balance (in shares) at Sep. 29, 2024			177,591,877
Ending balance at Sep. 29, 2024	$ 170,242	167,592	$ 18	951,237		(42)	(783,621)	2,650
Beginning balance (in shares) at Dec. 29, 2024	190,559,335		190,559,335
Beginning balance at Dec. 29, 2024	$ 249,403	246,741	$ 19	1,067,951	$ 0	(143)	(821,086)	2,662
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(23,531)	(23,510)					(23,510)	(21)
Issuance of common stock upon exercise of stock options (in shares)			81,621
Issuance of common stock upon exercise of stock options	782	782		782
RSUs vested, net of shares withheld (in shares)			1,074,758
RSU vested, net of shares withheld	(1,761)	(1,761)		(1,761)
Vesting of early exercised stock options	1	1		1
Repurchase of unvested restricted common stock (in shares)			(597)
Stock-based compensation	12,931	12,931		12,931
Other comprehensive income (loss), net	(41)	(41)				(41)
Ending balance (in shares) at Mar. 30, 2025			191,715,117
Ending balance at Mar. 30, 2025	$ 237,784	235,143	$ 19	1,079,904	0	(184)	(844,596)	2,641
Beginning balance (in shares) at Dec. 29, 2024	190,559,335		190,559,335
Beginning balance at Dec. 29, 2024	$ 249,403	246,741	$ 19	1,067,951	0	(143)	(821,086)	2,662
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (121,566)
Issuance of common stock upon exercise of stock options (in shares)	337,735
Other comprehensive income (loss), net	$ (515)
Ending balance (in shares) at Sep. 28, 2025	215,367,757		215,367,757
Ending balance at Sep. 28, 2025	$ 297,103	294,256	$ 22	1,296,114	(58,385)	(658)	(942,837)	2,847
Beginning balance (in shares) at Mar. 30, 2025			191,715,117
Beginning balance at Mar. 30, 2025	237,784	235,143	$ 19	1,079,904	0	(184)	(844,596)	2,641
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(44,266)	(44,528)					(44,528)	262
Issuance of common stock under employee stock purchase plan (in shares)			129,038
Issuance of common stock under employee stock purchase plan	711	711		711
RSUs vested, net of shares withheld (in shares)			1,113,668
RSU vested, net of shares withheld	(1,092)	(1,092)		(1,092)
Stock-based compensation	13,722	13,722		13,722
Other comprehensive income (loss), net	(207)	(207)				(207)
Ending balance (in shares) at Jun. 29, 2025			192,957,823
Ending balance at Jun. 29, 2025	206,652	203,749	$ 19	1,093,245	0	(391)	(889,124)	2,903
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(53,769)	(53,713)					(53,713)	(56)
Issuance of common stock upon exercise of stock options (in shares)			256,114
Issuance of common stock upon exercise of stock options	2,351	2,351		2,351
Issuance of common stock upon exercise of Warrants, net (in shares)			26,526,344
Issuance of common stock upon exercise of Warrants, net	225,427	225,427	$ 3	225,424
Fair value of Warrants related to 2028 Convertible Senior Notes	9,223	9,223
RSUs vested, net of shares withheld (in shares)			1,065,032
RSU vested, net of shares withheld	(2,002)	(2,002)		(2,002)
Repurchase of common stock (in shares)			(5,437,556)
Repurchase of common stock	(58,385)	(58,385)			(58,385)
Purchase of Capped Calls	(45,288)	(45,288)
Stock-based compensation	13,161	13,161		13,161
Other comprehensive income (loss), net	$ (267)	(267)				(267)
Ending balance (in shares) at Sep. 28, 2025	215,367,757		215,367,757
Ending balance at Sep. 28, 2025	$ 297,103	$ 294,256	$ 22	$ 1,296,114	$ (58,385)	$ (658)	$ (942,837)	$ 2,847