Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Loss before Income Tax, Domestic and Foreign

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

	Year Ended December 31,
	2021		2020
United States	$	(9,340)	$	(7,570)
Foreign	199		252
Total	$	(9,141)	$	(7,318)

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, 2021 and 2020 (in thousands):

	Year Ended December 31,
	2021		2020
Current:
Federal	$	—	$	—
Foreign	(75)		53
State	(15)		50
Total current	(90)		103
Total deferred	—		—
Income tax (benefit) expense	$	(90)	$	103

Schedule of Effective Income Tax Rate Reconciliation

Our effective tax rate differs from the statutory federal tax rate for the years ended December 31, 2021 and 2020 as shown in the following table (in thousands):

	Year Ended December 31,
	2021		2020
U.S. federal income taxes at the statutory rate	$	(1,919)	$	(1,533)
State taxes, net of federal effects	(464)		(122)
UK Anti-Hybrid expense addback	(1,837)		289
Transaction costs	—		—
Goodwill impairment	—		114
Section 382 Limitation	—		—
Adjustment to NOL Benefit	20		4,640
NOL Carryforward Adjustment for Expired NOLs	78		84
Stock Compensation Plan Adjustments	(38)		272
Change in state apportionment rate	(10)		(350)
Change in valuation allowance	4,662		(3,868)
Research and development credit	—		546
True up of prior year foreign tax expense	(108)		—
Other	22		31
Income tax (benefit) expense	$	(90)	$	103

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, 2021 and 2020 is presented below (in thousands):

	December 31,
	2021		2020
Deferred tax assets (liabilities):
Tax benefit of operating loss carry forward - Federal	$	26,902	$	23,184
Tax benefit of operating loss carry forward - State	6,225		5,548
Accrued expenses	88		141
Deferred revenue	287		417
Stock-based compensation	449		396
Fixed assets	287		329
Goodwill	102		167
Inventory	197		47
Intangible amortization	(1,777)		(2,285)
R&D credit	2,154		2,154
Texas margin tax temporary credit	139		159
Other	62		285
Total deferred tax asset, net	$	35,220	$	30,542
Valuation allowance	(35,220)		(30,542)
Net deferred tax liability	$	—	$	—