8. Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities

Significant components of our deferred tax assets (liabilities) as of December 31, 2020 and 2019 are as follows (in thousands):

	December 31
	2020			2019
Net operating loss carryforwards	$	19,965		$	18,771
Net operating loss carryforwards of foreign subsidiaries		374			374
Depreciation expense		(99	)		(77	)
Stock-based compensation expense		53			36
Other		304			68
Net deferred tax assets		20,597			19,172
Valuation allowance for net deferred tax assets		(20,597	)		(19,172	)
Net deferred tax assets, net of allowance	$	–		$	–

Schedule of Effective Income Tax Rate Reconciliation

The differences between the provision for income taxes and income taxes computed using the federal statutory rate for the years ended December 31, 2020 and 2019 are as follows (in thousands):

	2020			2019
Reconciliation of income tax benefit to statutory rate:
Income benefit at statutory rate	$	(1,369	)	$	938
State income taxes (benefit), net of federal income tax benefit		(121	)		1,066
Permanent differences		60			10
Change in valuation allowance		1,425			(2,030	)
Other		5			16
	$	–		$	–