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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of components of income tax (benefit) expense

​

​

​

​

​

​

​

​

​

​

​

​

    

Current

    

Deferred

    

Total

Year ended December 31, 2021

 

​

  

 

​

  

 

​

  

U.S. Federal

​

$

—

​

$

—

​

$

—

State and local

​

 

243

​

$

(20)

​

$

223

Foreign

​

 

268

​

 

11

​

 

279

​

​

$

511

​

$

(9)

​

$

502

Year ended December 31, 2020

​

 

  

​

 

  

​

 

  

U.S. Federal

​

$

—

​

$

—

​

$

—

State and local

​

 

589

​

$

13

​

$

602

Foreign

​

 

1,370

​

 

4

​

 

1,374

​

​

$

1,959

​

$

17

​

$

1,976

Year ended December 31, 2019

​

 

  

​

 

  

​

 

  

U.S. Federal

​

$

—

​

$

—

​

$

—

State and local

​

 

716

​

$

104

​

$

820

Foreign

​

 

1,081

​

 

(33)

​

 

1,048

​

​

$

1,797

​

$

71

​

$

1,868

Schedule of effective income tax reconciliation

​

​

​

​

​

​

​

​

​

​

​

​

​

    

2021

    

2020

    

2019

 

Statutory amount

​

$

(2,952)

​

$

4,662

​

$

(733)

​

Valuation allowance on foreign tax credits

​

 

186

​

 

1,344

​

 

1,081

​

State income tax, net of federal benefit

​

 

44

​

 

792

​

 

991

​

Permanent differences, other

​

 

303

​

 

558

​

 

461

​

Permanent differences, stock compensation

​

 

(262)

​

 

328

​

 

311

​

Valuation allowance, other

​

 

3,108

​

 

(5,795)

​

 

(166)

​

Other

​

 

75

​

 

87

​

 

(77)

​

Consolidated income tax provision

​

$

502

​

$

1,976

​

$

1,868

​

Consolidated effective tax rate

​

 

(3.6)

%  

 

8.9

%  

 

(53.5)

%

Schedule of deferred tax assets and liabilities

​

​

​

​

​

​

​

​

​

​

Long Term

​

​

As of December 31, 

​

    

2021

    

2020

Assets related to:

 

​

  

 

​

  

Accrued liabilities

​

$

1,568

​

$

1,058

Intangible assets

​

 

2,510

​

 

2,818

Net operating loss carryforward

​

 

11,966

​

 

10,259

Stock-based compensation

​

 

326

​

 

377

Foreign tax credits

​

 

3,968

​

 

3,782

Goodwill

​

 

5,249

​

 

6,199

Leases

​

​

8,772

​

​

10,235

Other

​

 

2,040

​

 

1,518

Total gross deferred tax assets

​

 

36,399

​

 

36,246

Less valuation allowance

​

​

(15,443)

​

​

(12,493)

Total net deferred tax assets

​

​

20,956

​

​

23,753

Liabilities related to:

​

 

  

​

 

  

Depreciation and amortization

​

 

(20,700)

​

 

(23,308)

Other

​

 

(384)

​

 

(582)

Total deferred tax liabilities

​

 

(21,084)

​

 

(23,890)

Net deferred tax liabilities

​

$

(128)

​

$

(137)

Schedule of Unrecognized tax benefits

​

​

​

​

​

​

​

​

​

    

2021

    

2020

Balance at beginning of the year

​

$

1,614

​

$

1,614

Additions based on tax position related to current year

​

 

—

​

 

—

Additions based on tax positions related to prior years

​

 

—

​

 

—

Reductions based on tax positions related to current year

​

 

—

​

 

—

Reductions based on tax positions related to prior years

​

 

—

​

 

—

Settlements with tax authorities

​

 

—

​

 

—

Lapse of statute of limitations

​

 

—

​

 

—

Balance at end of the year

​

$

1,614

​

$

1,614