Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Taxes [Abstract]

Domestic and Foreign Income (Loss) Before Income Taxes

Domestic and foreign income (loss) before income taxes, consists of the following for the years ended December 31:

(in thousands)	2021			2020
Domestic	$	(19,606	)	$	(15,865	)
Foreign		37			38
Loss before income taxes	$	(19,569	)	$	(15,827	)

Components of Income Tax Expense

The components of income tax expense consist of the following for the years ended December 31:

(in thousands)	2021			2020
Current:
United States and state	$	—		$	—
Foreign, net		(9	)		(9	)
Deferred:
United States and state		—			—
Foreign		—			—
Total income tax expense	$	(9	)	$	(9	)

Actual Income Tax Expense Differs from Statutory Federal Income Tax Expense

Actual income tax expense differs from statutory federal income tax expense as follows for the years ended December 31:

(in thousands)	2021			2020
Statutory federal income tax benefit	$	4,109		$	3,324
State tax benefit, net of federal taxes		560			94
Foreign tax		(1	)		(1	)
Foreign deferred exchange rate adjustments		—			1,027
Dissolution of foreign subsidiary		—			(11,401	)
Nondeductible/nontaxable items		(220	)		34
Other		406			(255	)
Valuation allowance (increase) decrease		(4,863	)		7,169
Total income tax expense	$	(9	)	$	(9	)

Deferred Taxes

Deferred taxes consist of the following as of December 31:

(in thousands)	2021			2020
Deferred tax assets:
Noncurrent:
Accrued leave	$	59		$	61
Stock based compensation		368			293
Net operating loss carryforward		42,363			37,665
Other		131			11
Intangibles		723			751
R&D credit carryforward		531			531
Total deferred tax assets		44,175			39,312
Less: valuation allowance		(44,175	)		(39,312	)
Total	$	—		$	—