Note 9 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

	2023		2022
Current tax expense	$	387,000	$	212,000
Deferred tax		10,000		340,000
Total income tax expense	$	397,000	$	552,000

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

	2023						2022
	Amount			Percent			Amount			Percent
Expected federal tax	$	421,000			21.0	%	$	457,000			21.0	%
Permanent differences		2,000			0.1	%		2,000			0.1	%
State income tax, net of federal tax benefit		37,000			1.9	%		54,000			2.5	%
Foreign tax credit		(4,000	)		(0.2	)%		8,000			0.4	%
Research and Development tax credit		(52,000	)		(2.6	)%		(1,000	)		0.0	%
Other		(7,000	)		(0.1	)%		32,000			1.4	%
Total	$	397,000			20.1	%	$	552,000			25.4	%

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

	2023			2022
Current deferred tax asset (liabilities):
Accounts payable and accrued expenses	$	57,000			83,000
Accounts receivable, net		(727,000	)		(851,000	)
Inventory obsolescence		2,000			1,000
Prepaid expenses		(83,000	)		(85,000	)
Customer deposits		180,000			348,000
Net current deferred tax liability		(571,000	)		(504,000	)
Long-term deferred tax asset (liabilities):
NOL - State		4,000			4,000
Foreign tax credit		14,000			21,000
R&D tax credit		75,000			30,000
Book - Tax depreciation		(9,000	)		0
Section 174 capitalization		73,000			36,000
Stock compensation		60,000			69,000
Investment impairment		13,000			13,000
Net long-term deferred tax asset		230,000			173,000
Net deferred tax liability	$	(341,000	)	$	(331,000	)