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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The tax provision for income taxes consisted of the following (in thousands):

			December 31,
			2023						2022
Current tax provision:
Federal			$	393					$	248
State			50						24
Total current tax provision			443						272
Deferred tax provision:
Federal			—						—
State			—						—
Total deferred tax provision			—						—
Total tax provision			$	443					$	272

Schedule of Reconciliation Between Federal Statutory and Provision For Income Taxes

The following table provides a reconciliation between income taxes computed at the federal statutory rate and the provision for income taxes (in thousands):

			Years Ended December 31,
			2023						2022
									(As Restated)
Federal income taxes at 21% for 2023 and 2022			$	(4,723)					$	(7,029)
State income tax, net of federal benefit			(186)						(247)
Nondeductible expenses			260						415
Tax credits			(2,076)						(1,877)
Rate change			(54)						491
Change in valuation allowance			6,373						(19,684)
Reserve for uncertain tax positions			519						(10,423)
162m deferred tax asset limitation			128						82
382 NOL and tax credit limitation			—						37,513
Expired stock awards			174						1,052
Other			28						(21)
Income tax expense			$	443					$	272

Schedule of Components of Net Deferred Tax Assets

Significant components of the Company’s net deferred tax assets are as follows (in thousands):

			December 31,
			2023						2022
									(As Restated)
Deferred tax assets:
Net operating losses			$	35,506					$	42,043
Tax credits			9,747						9,327
Intangibles			136						160
Capitalized R&D			25,871						14,706
Stock compensation			1,424						1,385
Lease liabilities			1,112						275
Deferred revenue			5,951						5,620
Accrued indirect tax liabilities			4,114						2,617
Other			725						1,018
Total deferred tax assets			84,586						77,151
Less valuation allowance			(83,086)						(76,713)
Deferred tax assets, net of valuation allowance			1,500						438
Deferred tax liabilities:
Prepaid expenses			(214)						(189)
Capitalized inventory costs			(244)						—
Right-of-use assets			(1,042)						(249)
Total deferred tax liabilities			(1,500)						(438)
Net deferred tax assets			$	—					$	—

Schedule of Reconciliation Amount of Gross Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits for 2023 and 2022 is as follows (in thousands):

			Years Ended December 31,
			2023						2022
									(As Restated)
Balance as of the beginning of the year			$	11,015					$	23,990
Increases related to current year tax positions			552						497
Decreases related to prior year tax positions			(47)						(13,472)
Balance as of the end of the year			$	11,520					$	11,015

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of the change in unrecognized tax benefits.

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