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Note 2 - Details of Consolidated Balance Sheet Accounts | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | 2. Details of Consolidated Balance Sheet Accounts Prepaid expenses and other: As of December 31, prepaid expenses and other consisted of the following:
(In thousands) |  | 2020 |  |  | 2019 |
License fees |  | $ | 5,529 |  |  | $ | 5,321 |
Tires in service |  |  | 4,701 |  |  |  | 4,972 |
Insurance premiums |  |  | 3,653 |  |  |  | 2,356 |
Parts and tires inventory |  |  | 3,372 |  |  |  | 3,394 |
Contract assets |  |  | 1,545 |  |  |  | 1,729 |
Other |  |  | 3,103 |  |  |  | 3,166 |
|  | $ | 21,903 |  |  | $ | 20,938 |
Accrued and other current liabilities: As of December 31, accrued and other current liabilities consisted of the following:
(In thousands) |  | 2020 |  |  | 2019 |
Vacation |  | $ | 7,733 |  |  | $ | 6,558 |
Salaries and wages |  |  | 7,584 |  |  |  | 5,438 |
Accrued expenses |  |  | 6,299 |  |  |  | 6,738 |
Other |  |  | 2,881 |  |  |  | 2,946 |
|  | $ | 24,497 |  |  | $ | 21,680 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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