INCOME TAXES - Schedule of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 4,889	$ 5,708
Payroll related accruals	333	194
Stock-based compensation	612	298
Intangible assets	89	89
Sec. 174 Capitalized costs	1,237	0
Other	5	1
Depreciation	18	0
Research and development tax credits	906	511
Total deferred tax assets	8,089	6,801
Deferred tax liabilities:
Depreciation	0	(84)
Total deferred tax liabilities	0	(84)
Net deferred tax assets	8,089	6,717
Less: Valuation allowance	(8,089)	(6,717)
Deferred tax assets, net of allowance	$ 0	$ 0