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Income taxes
 12 Months Ended
Dec. 31, 2024
Income taxes [Abstract]  
Income taxes

Note 8 – Income taxes:

The provision for income taxes and the difference between such provision for income taxes and the amount that would be expected using the U.S. federal statutory income tax rate of 21% are presented below. All of our pre-tax income relates to operations in the United States.

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Years ended December 31, 

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2022

    

2023

    

2024

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(In thousands)

Income tax expense:

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Currently payable

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$

7,130

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$

7,730

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$

5,590

Deferred income tax benefit

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(688)

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(720)

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(440)

Total

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$

6,442

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$

7,010

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$

5,150

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Expected tax expense, at the U.S. federal statutory
  income tax rate of 21%

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$

5,736

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$

6,217

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$

4,565

State income taxes

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827

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786

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571

Other, net

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(121)

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7

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14

Income tax expense

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$

6,442

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$

7,010

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$

5,150

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Income taxes allocable to other comprehensive income (loss) related to marketable securities was insignificant in 2022, 2023 and 2024.

The components of the net deferred tax liability are summarized below.

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December 31, 

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2023

    

2024

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(In thousands)

Tax effect of temporary differences related to:

 

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Inventories

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$

373

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$

394

Property and equipment

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(1,543)

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(1,005)

Accrued liabilities and other deductible differences

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43

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47

Accrued employee benefits

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1,343

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1,225

Goodwill

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(1,693)

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(1,693)

Other taxable differences

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(32)

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(35)

Net noncurrent deferred tax liability

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$

(1,509)

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$

(1,067)

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We and Contran file income tax returns in U.S. federal and various state and local jurisdictions. Our income tax returns prior to 2021 are generally considered closed to examination by applicable tax authorities.