INCOME TAXES - Schedule of Deferred Income Taxes Components (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforward	$ 102,687	$ 94,003
General business credit	18,466	17,293
Stock options	8,246	12,809
Intangible assets, definite-lived	6,775	7,239
Section 174 research & development	9,097	4,840
Inventory	1,943	2,145
Operating lease liability	379	568
Property & equipment	224	137
Other	608	310
Total deferred tax assets	148,425	139,344
Valuation allowance	(140,104)	(138,710)
Deferred tax assets	8,321	634
Deferred tax liabilities:
Debt amortization	(7,785)	(24)
Right of use asset	(416)	(527)
Finance lease liability	(120)	(83)
Total deferred tax liabilities	(8,321)	(634)
Net deferred taxes	$ 0
Net deferred taxes		$ 0