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Note 2 - Details of Consolidated Balance Sheet Accounts (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

(In thousands)

 

2021

  

2020

 

License fees

 $5,485  $5,529 

Tires in service

  4,624   4,701 

Parts and tires inventory

  4,375   3,372 

Insurance premiums

  3,749   3,653 

Contract assets

  2,243   1,545 

Other

  3,504   3,103 
  $23,980  $21,903 
Schedule of Accrued Liabilities [Table Text Block]

(In thousands)

 

2021

  

2020

 

Salaries and wages

 $11,690  $7,584 

Accrued expenses

  8,606   6,299 

Vacation

  8,572   7,733 

Other

  2,527   2,881 
  $31,395  $24,497