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Income Taxes: (Tables)
12 Months Ended
Dec. 31, 2022
Income Taxes:  
Schedule of reconciliation of the expected federal income tax expense based on the federal statutory tax rate to the actual income tax expense

Year Ended

 

    

December 31, 2022

    

December 25, 2021

    

December 26, 2020

 

Federal income tax expense at statutory rate (21%, 21%, 21%)

$

10,664,500

$

10,472,100

$

8,088,600

Change in valuation allowance

 

(6,600)

 

(1,914,400)

 

54,000

State and local income taxes, net of federal benefit

 

1,515,900

 

1,546,400

 

1,368,500

Permanent differences, including stock option expenses

 

(955,900)

 

(2,332,600)

 

(1,027,300)

Expiration of attributes

2,057,000

Adjustment to uncertain tax positions

185,300

163,400

85,100

Other, net

 

(44,600)

 

(44,500)

 

125,200

Actual income tax expense

$

11,358,600

$

9,947,400

$

8,694,100

Schedule of components of the provision for income taxes

Year Ended

 

    

December 31, 2022

    

December 25, 2021

    

December 26, 2020

 

Current:

Federal

$

8,892,200

$

8,782,000

$

7,836,000

State

 

2,167,900

 

2,193,900

 

1,795,800

Foreign

 

586,200

 

333,500

 

286,000

Current provision

 

11,646,300

 

11,309,400

 

9,917,800

Deferred:

Federal

 

(351,500)

 

(1,435,000)

 

(1,202,100)

State

 

63,800

 

73,000

 

(21,600)

Deferred provision

 

(287,700)

 

(1,362,000)

 

(1,223,700)

Total provision for income taxes

$

11,358,600

$

9,947,400

$

8,694,100

Schedule of tax effects of temporary differences that give rise to the net deferred income tax assets and liabilities

    

December 31, 2022

    

December 25, 2021

 

Deferred tax assets:

Accounts receivable and lease reserves

$

1,900

$

15,500

Non-qualified stock option expense

 

1,540,100

 

1,405,400

Deferred revenue

 

1,584,600

 

1,663,500

Trademarks

 

34,700

 

32,600

Lease deposits

 

72,700

 

270,500

Impairment of note investments

 

529,500

 

532,000

Lease revenue and initial direct costs

63,400

Foreign tax credits

372,100

376,200

Valuation allowance

 

(901,600)

 

(908,200)

Other

 

271,600

 

276,500

Total deferred tax assets

 

3,569,000

 

3,664,000

Deferred tax liabilities:

Lease revenue and initial direct costs

 

 

(362,200)

Depreciation and amortization

 

(28,600)

 

(49,100)

Total deferred tax liabilities

 

(28,600)

 

(411,300)

Total net deferred tax assets

$

3,540,400

$

3,252,700

Summary of activity related to the Company's unrecognized tax benefits

    

Total

 

Balance at December 26, 2020

$

510,100

Increases related to current year tax positions

 

190,000

Expiration of the statute of limitations for the assessment of taxes

 

(22,900)

Balance at December 25, 2021

677,200

Increases related to current year tax positions

 

266,800

Subtractions for tax positions of prior years

 

(72,700)

Balance at December 31, 2022

$

871,300