Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	2023			2022			2021
	(In thousands)
U.S. Operations	$	40,031		$	43,156		$	48,145
Foreign Operations		(69	)		(341	)		476
Income before income taxes	$	39,962		$	42,815		$	48,621

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2023			2022			2021
	(In thousands)
Federal:
Current	$	8,220		$	9,988		$	9,092
Deferred		(891	)		(1,427	)		(224	)
Total	$	7,329		$	8,561		$	8,868
Foreign:
Current	$	(32	)	$	(90	)	$	143
Deferred		14			—			(17	)
Total	$	(18	)	$	(90	)	$	126
State:
Current	$	1,924		$	2,846		$	2,197
Deferred		(244	)		(302	)		(36	)
Total	$	1,680		$	2,544		$	2,161
Total	$	8,991		$	11,015		$	11,155

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2023			2022			2021
	(In thousands)
Expected federal income taxes	$	8,392		$	8,991		$	10,210
Foreign tax rate differential		(4	)		(24	)		26
State income taxes, net of federal benefit and state tax credits		1,323			2,100			1,531
Share-based compensation		(334	)		(120	)		(660	)
Federal tax credits		(569	)		(408	)		(272	)
Uncertain tax positions		73			22			254
Reclassification of cumulative translation adjustment into earnings		—			539			—
Withholding tax on repatriation of foreign earnings		—			(100	)		8
Non-deductible expenses		92			30			—
Other		18			(15	)		58
	$	8,991		$	11,015		$	11,155

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2023			2022
	(In thousands)
Deferred tax assets:
Allowance for doubtful accounts	$	18		$	16
Accrued expenses		581			691
Share-based compensation		1,177			1,072
Accrued bonuses		12			96
Uncertain tax positions		326			256
Research & experimental expenditures		2,903			856
Other		—			78
Gross deferred tax assets		5,017			3,065
Less valuation allowance		—			—
Deferred tax assets		5,017			3,065
Deferred tax liabilities:
Prepaid expenses		145			135
Deferred contract costs		354			601
Property and equipment		1,966			1,066
Intangible assets		6,636			6,523
Other		55			—
Deferred tax liabilities		9,156			8,325
Net deferred tax liabilities	$	(4,139	)	$	(5,260	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	(In thousands)
Balance of unrecognized tax benefits at December 31, 2021	$	1,075
Reductions due to lapse of applicable statute of limitations		(76	)
Reductions due to tax positions of prior years		—
Reductions due to settlement with taxing authorities		—
Additions based on tax positions related to the current year		558
Balance of unrecognized tax benefits at December 31, 2022	$	1,557
Reductions due to lapse of applicable statute of limitations		(92	)
Additions due to tax positions of prior years		—
Reductions due to settlement with taxing authorities		—
Additions based on tax positions related to the current year		478
Balance of unrecognized tax benefits at December 31, 2023	$	1,943