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Income taxes
12 Months Ended
Dec. 31, 2024
Income taxes  
Income taxes

11. Income taxes

The components of income before income taxes for the years ended December 31, 2024, 2023, and 2022 are as follows:

Year Ended December 31, 

    

2024

    

2023

    

2022

Foreign (not subject to income taxes)

$

10,699,269

$

10,002,233

$

6,958,583

Mexico

 

10,922,374

 

(742,367)

 

(987,279)

United States

 

9,412,015

 

27,649,330

 

1,394,642

 

31,033,658

 

36,909,196

 

7,365,946

Discontinued operations

 

(10,355,184)

 

1,086,744

 

2,371,049

$

20,678,474

$

37,995,940

$

9,736,995

The Company’s provision for (benefit from) income taxes for the years ended December 31, 2024, 2023, and 2022, which related to U.S. operations, consisted of the following:

Year Ended December 31, 

    

2024

    

2023

    

2022

Current:

Federal

$

2,282,566

$

5,611,360

$

430,116

State

255,835

1,663,653

(29,157)

Foreign

Total current income tax expense (benefit)

2,538,401

7,275,013

400,959

Deferred:

 

 

 

Federal

(267,100)

(276,070)

(184,469)

State

(52,787)

(248,929)

180,249

Foreign

Total deferred income tax expense (benefit)

(319,887)

(524,999)

(4,220)

Total provision for (benefit from) income taxes

$

2,218,514

$

6,750,014

$

396,739

A reconciliation of the U.S. statutory federal tax rate to the effective rate for the years ended December 31, 2024, 2023, and 2022 is as follows:

Year Ended December 31, 

 

    

2024

    

2023

 

2023

 

U.S. statutory federal rate

21.00

%  

21.00

%

21.00

%

State taxes, net of federal effect

 

0.72

%  

2.88

%

8.88

%

Foreign rate differential

 

(11.45)

%  

(5.71)

%

(25.57)

%

Research and development tax credit

 

%  

%

(1.92)

%

Permanent items

 

0.46

%  

(0.32)

%

(0.70)

%

Change in valuation allowance

 

%  

(0.08)

%

2.38

%

 

10.73

%  

17.77

%

4.07

%

The tax effects of significant items comprising the Company’s net long-term deferred tax liability as of December 31, 2024 and 2023 were as follows:

December 31, 

    

2024

    

2023

Continuing Operations

Deferred tax assets:

 

  

 

  

Net operating loss carryforwards

$

80,285

$

130,911

Accruals and reserves

209,549

146,057

Operating lease liabilities

425,797

501,397

Capitalized research expenditures

316,937

326,178

Others

88,750

29,094

Valuation allowances

 

 

 

1,121,318

 

1,133,637

Deferred tax liabilities:

 

  

 

  

Property and equipment

 

239,830

 

325,473

Intangible assets

 

672,973

 

847,450

Operating lease right-of-use assets

 

419,408

 

491,494

 

1,332,211

 

1,664,417

Net deferred tax liabilities

$

(210,893)

$

(530,780)

Discontinued Operations

Deferred tax assets:

Operating loss carryforwards - Mexico

$

$

5,844,847

Land basis difference - Mexico

2,818,663

Start-up costs - Mexico

7,015,484

Valuation allowances

(15,678,994)

$

$

As of December 31, 2024, the Company’s continuing operations have a federal net loss carryforward of approximately $400,000 and a state net loss carryforward of approximately $38,000. The net operating losses (“NOLs”) generated in taxable years beginning before January 1, 2018, may be carried forward up to 20 taxable years. The unused federal NOLs will expire on various dates starting from 2030. For NOLs generated in taxable years beginning after December 31, 2017, they are carried forward indefinitely until used and never expire.