Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of Loss before Income Tax, Domestic and Foreign

The following table sets forth pretax book loss (in thousands):


	Year Ended December 31,
	2023		2022
United States	$	(4,357)	$	(21,948)
Foreign	—		—
Total	$	(4,357)	$	(21,948)

Schedule of Components of Income Tax (Benefit) Expense

The following table sets forth income before taxes and the income tax expense for the years ended December 31, 2023 and 2022 (in thousands):


	Year Ended December 31,
	2023		2022
Current:
Federal	$	—	$	—
Foreign	15		(4)
State	12		(3)
Total current	27		(7)

Total deferred	—		—




Income tax expense (benefit)	$	27	$	(7)

Schedule of Effective Income Tax Rate Reconciliation

Our effective tax rate differs from the statutory federal tax rate for the years ended December 31, 2023 and 2022 as shown in the following table (in thousands):


	Year Ended December 31,
	2023		2022
U.S. federal income taxes at the statutory rate	$	(915)	$	(4,609)
Goodwill impairment	—		1,547


State taxes, net of federal effects	(58)		(375)




U.S. Federal and state NOL carryforward adjustment for expired NOLs	613		76

Stock compensation plan adjustments	385		16
Change in valuation allowance	(112)		3,273

Other	114		65
Income tax expense (benefit)	$	27	$	(7)

Schedule of Deferred Tax Assets and Liabilities

The tax effect of the temporary differences that give rise to significant portions of the deferred tax assets and liabilities as of December 31, 2023 and 2022 is presented below (in thousands):


	Year Ended December 31,
	2023		2022
Deferred tax assets (liabilities):
Tax benefit of operating loss carry forward - Federal	$	29,416	$	28,459
Tax benefit of operating loss carry forward - State	5,965		6,429

Accrued expenses	131		147
Deferred revenue	36		129

Stock-based compensation	56		420
Fixed assets	4		116
Goodwill	—		28
Inventory	156		106
Intangible amortization	32		(80)
Section 174 research and experimentation	—		409
Section 163(j) interest expense	314		—
R&D credit	2,154		2,154
Texas margin tax temporary credit	55		74
Other	61		101
Total deferred tax asset, net of deferred tax liabilities	38,380		38,492

Valuation allowance	(38,380)		(38,492)
Net deferred tax asset	$	—	$	—