EQUITY, STOCK-BASED COMPENSATION AND EARNINGS (LOSS) PER SHARE - Basic and diluted net loss per share (Details) - USD ($) $ in Thousands		3 Months Ended
	Sep. 27, 2021	Dec. 31, 2024	Dec. 31, 2023
Numerator:
Consolidated net loss		$ (27,630)	$ (15,828)
Less: Net loss attributable to noncontrolling interests		0	(440)
Net loss attributable to common shareholders		$ (27,630)	$ (15,388)
Denominator:
Weighted-average shares outstanding - Basic (in shares)		27,160,000	25,764,000
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Weighted-average shares outstanding - Diluted (in shares)		27,160,000	25,764,000
Shares excluded in computing of earnings (in shares)		9,784,000	5,796,000
Convertible notes
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Shares excluded in computing of earnings (in shares)	3,040,268	2,859,306	3,040,268
Warrants
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Shares excluded in computing of earnings (in shares)		3,034,124