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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes Based on Loss from Operations

The provision (benefit) for income taxes is based on loss from operations before provision for income taxes and noncontrolling interests as follows ($ in thousands):

			Years Ended December 31,
Pre-tax book income			2023						2022
United States			$	(21,477)					$	(56,175)
Australia			(1,693)						(529)
Total			$	(23,170)					$	(56,704)

Schedule of Benefit from Income Taxes

The provision (benefit) from income taxes was as follows ($ in thousands):

						Years Ended December 31,
						2023						2022
Current
U.S. Federal						$	—					$	—
State and local						—						—
						$	—					$	—
Deferred
U.S. Federal						$	—					$	—
State and local						(2,330)						(2,479)
						$	(2,330)					$	(2,479)
Total
U.S. Federal						$	—					$	—
State and local						(2,330)						(2,479)
						$	(2,330)					$	(2,479)

Schedule of Reconciliation of Effective Income Taxes

The provision (benefit) for income taxes is determined by applying the U.S. Federal statutory rate of 21% to income before income taxes, and the components are set forth below ($ in thousands):

						Years Ended December 31,
						2023						2022
U.S. Federal benefit at statutory rate						$	(4,865)					$	(11,908)
Permanent nondeductible expenses for U.S. taxes						875						7,238
Change in state deferred						809						8,604
Tax Return to Provision						(58)						(1)
Expired options						569						162
Other true ups						166						(25)
AUS Foreign Rate Differential						(22)						(21)
Section 382 NOL Limitation						—						18,553
Sale of New Jersey State NOLs						(2,330)						(2,479)
Valuation allowance for deferred tax assets						2,526						(22,602)
Tax benefit						$	(2,330)					$	(2,479)

Schedule of Components Deferred Income Taxes

Deferred income taxes at December 31, 2023 and 2022 consist of the following ($ in thousands):

						December 31,
						2023						2022
Deferred Tax Assets:
Accumulated net operating losses (tax effected)						$	12,736					$	13,132
Lease liability						86						136
Share-based compensation						2,370						3,027
Intangibles						889						944
Capitalized research and development						6,662						5,018
Accumulated depreciation						10						14
Accrued payroll						218						118
Other						638						579
Deferred tax assets						23,609						22,968
Deferred Tax Liabilities:
Right-of-use asset						$	(87)					$	(137)
Cash to accrual						—						(99)
Deferred tax liabilities						(87)						(236)
Net deferred tax asset						23,522						22,732
Valuation allowance						(23,522)						(22,732)
Net deferred tax asset						$	—					$	—

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

						Years Ended December 31,
						2023						2022
Gross unrecognized tax benefit, beginning of period						$	344					$	—
Additions based on tax positions related to the current year						—						—
Additions based on tax positions related to the prior years						—						344
Reductions due to lapse in statute of limitations and settlements						—						—
Gross unrecognized tax benefit, end of period						$	344					$	344

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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 income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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