Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	YEARS ENDED December 31,
	2022		2021
Domestic	$	2,350,000	$	831,000
Foreign		168,000		116,000
Income before income taxes	$	2,518,000	$	947,000

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

	YEARS ENDED December 31,
	2022		2021
Current:
Federal	$	355,000	$	9,000
State		60,000		93,000
Foreign		204,000		107,000
Total current		619,000		209,000
Deferred:
Federal		290,000		98,000
State		48,000		(18,000	)
Foreign		6,000		(20,000	)
Total deferred		344,000		60,000
	$	963,000	$	269,000

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

	December 31,
	2022			2021
Deferred tax liabilities:
Property and equipment	$	(1,255,000	)	$	(1,055,000	)
Total deferred tax liabilities		(1,255,000	)		(1,055,000	)
Deferred tax assets:
Net operating loss carryforwards		139,000			360,000
Accruals and allowances		167,000			41,000
Lease liabilities		61,000			136,000
Tax credits		3,000			4,000
Other – net		114,000			87,000
Capital loss carryover		646,000			646,000
Total deferred tax assets		1,130,000			1,274,000
Valuation allowance		(697,000	)		(697,000	)
Deferred tax assets net of valuation allowance		433,000			577,000
Net deferred tax liabilities	$	(822,000	)	$	(478,000	)

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

	YEARS ENDED December 31,
	2022			2021
Computed expected federal income tax	$	477,000		$	79,000
State income taxes, net of federal benefit		100,000			69,000
Non-deductible expenses		(25,000	)		28,000
Return to provision true-up		52,000			19,000
Uncertain tax positions		(17,000	)		14,000
AMT tax payable adjustment		208,000			—
Change in valuation allowance		—			19,000
Other deferred tax adjustments		168,000			41,000
	$	963,000		$	269,000

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

	YEARS ENDED December 31,
	2022			2021
Balance at beginning of year	$	295,000		$	275,000
Additions based on tax positions of prior years		(17,000	)		20,000
Balance at end of year	$	278,000		$	295,000