Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Components of Income Before Income Taxes

The components of income before income taxes are as follows (in thousands):

	Year Ended
	December 31,
	2020		2019		2018
Domestic	$	3,664	$	2,226	$	1,866
Foreign		252		223		178
Income before income taxes	$	3,916	$	2,449	$	2,044

Schedule of Components of Provision For Income Taxes

The components of the provision for income taxes are as follows (in thousands):

	Year Ended
	December 31,
	2020		2019			2018
Current:
Federal	$	453	$	315		$	36
Foreign		39		56			30
State		1		1			1
Total Current		493		372			67
Deferred - net		81		(117	)		92
Provision for income taxes	$	574	$	255		$	159

Schedule of Effective Tax Rate Differs from Applicable U.S Statutory Federal Income Tax Rates

The effective tax rate differs from the applicable U.S. statutory federal income tax rate as follows:

	Year Ended
	December 31,
	2020			2019			2018
U.S. statutory federal taxes at statutory rate		21.00	%		21.00	%		21.00	%
State taxes - net of federal benefit		0.02			0.03			0.03
Research and development benefit		(5.54	)		(9.81	)		(7.73	)
Stock-based compensation		4.98			6.14			(5.26	)
Foreign derived intangible income (FDII)		(7.43	)		(11.18	)		(3.26	)
Permanent items and other		(0.44	)		1.23			(0.44	)
Change in valuation allowance		2.07			3.03			3.40
Effective tax rate		14.66	%		10.44	%		7.74	%

Schedule of Components of Net Deferred Tax Assets and Liabilities

The components of net deferred tax assets and liabilities are as follows:

	Year Ended
	December 31,
	2020			2019
Deferred tax assets:
Net operating loss carryforwards	$	85		$	85
Research and other credits		533			452
Accruals		363			372
Lease liability		100			164
Intangibles		234			264
Other		126			122
Total deferred tax assets		1,441			1,459
Valuation allowance		(618	)		(538	)
Deferred tax liabilities:
Property and equipment - net		(126	)		(95	)
Right-of-use assets		(98	)		(149	)
Other		(11	)		-
Total deferred tax liabilities		(235	)		(244	)
Deferred tax assets - net	$	588		$	677

Schedule of Activities Related to Company's Gross Unrecognized Tax Benefits

The following table summarizes the activities related to the Company’s gross unrecognized tax benefits (in thousands):

	Year Ended
	December 31,
	2020			2019
Balance at the beginning of the year	$	295		$	293
Increases related to current year tax positions		71			64
Decreases related to current year tax positions		(29	)		(62	)
Balance at the end of the year	$	337		$	295