DISCONTINUED OPERATIONS - Schedule of Discontinued Operations of the MST Franchise (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			(Loss) income from discontinued operations, net of income taxes
Discontinued Operations, Disposed of by Sale | MST Franchise
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost of goods sold	$ 0	$ 0	$ 0	$ 80
Research and development	0	0	0	0
Selling, general and administrative	20	241	30	(92)
Total operating expenses	20	241	30	(92)
(Loss) income from discontinued operations	(20)	(241)	(30)	118
Gain on the sale of the MST Franchise	0	0	0	13,005
(Loss) income from discontinued operations, before income taxes	(20)	(241)	(30)	13,123
Income tax expense	0	0	0	0
Net (loss) income from discontinued operations	(20)	(241)	(30)	13,123
Product sales, net | Discontinued Operations, Disposed of by Sale | MST Franchise
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues	$ 0	$ 0	$ 0	$ 106