Note H - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	For Years Ended December 31 (in thousands)
	2022			2021			2020
Current:
Federal	$	7,389		$	6,675		$	12,932
State		167			1,742			1,816
		7,556			8,417			14,748
Deferred:
Federal		(2,157	)		(819	)		(1,210	)
State		(154	)		(793	)		(508	)
		(2,311	)		(1,612	)		(1,718	)
Total tax provision	$	5,245		$	6,805		$	13,030

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

	Percent of Pre-tax Income
	2022			2021			2020
Statutory rate		21.0	%		21.0	%		21.0	%
State tax, net of federal benefit		0.0	%		2.3	%		1.7	%
Research and development credit		(2.1	%)		(2.0	%)		(1.0	%)
Adjustment for prior year estimates		1.2	%		0.1	%		(0.1	%)
Tax exempt interest and dividends		(0.1	%)		(0.1	%)		(0.1	%)
Other		0.2	%		(0.3	%)		0.2	%
Effective rate		20.2	%		21.0	%		21.7	%

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

	(In thousands)
	2022		2021
Deferred tax assets
State NOL and tax credit carryforwards	$	2,336	$	2,153
Doubtful accounts		1,933		1,928
Research and development expenses		1,284		-
Insurance (primarily product liability)		1,142		1,073
Inventory		1,095		803
Vacation		908		855
Other		1,457		1,502
Subtotal		10,155		8,314
Less: valuation allowance		1,960		1,695
Total deferred tax assets		8,195		6,619
Deferred tax liabilities
Goodwill and other intangibles		2,157		1,974
Depreciation		532		-
Deferred revenue		-		3
Total deferred tax liabilities		2,689		1,977
Net deferred tax assets	$	5,506	$	4,642

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

	(In thousands)
	2022			2021
Balance at January 1	$	2,375		$	2,521
Increases for tax positions taken related to the current year		628			336
Increases for tax positions taken related to prior years		32			30
Lapse of statute of limitations		(577	)		(512	)
Balance at December 31	$	2,458		$	2,375