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]

	YEARS ENDED December 31,
	2023		2022
Domestic	$	666,000	$	2,350,000
Foreign		30,000		168,000
Income before income taxes	$	696,000	$	2,518,000

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

	YEARS ENDED December 31,
	2023			2022
Current:
Federal	$	940,000		$	355,000
State		115,000			60,000
Foreign		135,000			204,000
Total current		1,190,000			619,000
Deferred:
Federal		(672,000	)		290,000
State		(77,000	)		48,000
Foreign		(10,000	)		6,000
Total deferred		(759,000	)		344,000
	$	431,000		$	963,000

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

	December 31,
	2023			2022
Deferred tax liabilities:
Property and equipment	$	(323,000	)	$	(708,000	)
Prepaid expenses		(409,000	)		(493,000	)
ROU asset		(12,000	)		(54,000	)
Total deferred tax liabilities		(744,000	)		(1,255,000	)
Deferred tax assets:
Net operating loss carryforwards		155,000			139,000
Accruals and allowances		438,000			167,000
Lease liabilities		12,000			61,000
Tax credits		4,000			3,000
Other		140,000			114,000
Capital loss carryover		646,000			646,000
Total deferred tax assets		1,395,000			1,130,000
Valuation allowance		(714,000	)		(697,000	)
Deferred tax assets net of valuation allowance		681,000			433,000
Net deferred tax liabilities	$	(63,000	)	$	(822,000	)

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

	YEARS ENDED December 31,
	2023		2022
Computed expected federal income tax	$	218,000	$	477,000
State income taxes, net of federal benefit		12,000		100,000
Foreign rate differential		38,000		—
Stock compensation		7,000		—
Non-deductible expenses		6,000		(25,000	)
Return to provision true-up		18,000		52,000
Uncertain tax positions		9,000		(17,000	)
Alternative minimum tax payable adjustment		—		208,000
Change in valuation allowance		17,000		—
Other deferred tax adjustments		106,000		168,000
	$	431,000	$	963,000

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

	YEARS ENDED December 31,
	2023		2022
Balance at beginning of year	$	278,000	$	295,000
Additions based on tax positions of prior years		9,000		(17,000	)
Balance at end of year	$	287,000	$	278,000