CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Jan. 01, 2022	$ 635,816	$ 1,847	$ 1,208,645	$ (574,676)
Beginning Balance (shares) at Jan. 01, 2022		184,732,268
Employee stock purchase plan	4,015	$ 38	3,977
Employee stock purchase plan (shares)		3,805,844
Issuance of vested restricted shares (shares)		321,053
Issuance of vested restricted shares		$ 3	(3)
Non-cash compensation	15,893		15,893
Net Income (Loss)	(662,034)			(662,034)
Ending Balance at Dec. 31, 2022	(6,310)	$ 1,888	1,228,512	(1,236,710)
Ending Balance (in shares) at Dec. 31, 2022		188,859,165
Employee stock purchase plan	945	$ 16	929
Employee stock purchase plan (shares)		1,565,933
Issuance of vested restricted shares (shares)		308,055
Issuance of vested restricted shares		$ 3	(3)
Non-cash compensation	10,319		10,319
Net Income (Loss)	(134,524)			(134,524)
Ending Balance at Dec. 30, 2023	$ (129,570)	$ 1,907	$ 1,239,757	$ (1,371,234)
Ending Balance (in shares) at Dec. 30, 2023		190,733,153