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Note 3 - Details of Consolidated Balance Sheet Accounts | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | 3. Details of Consolidated Balance Sheet Accounts Prepaid expenses and other: As of December 31, prepaid expenses and other consisted of the following:
(In thousands) |  | 201 9 |  |  | 2018 |
License fees |  | $ | 5,321 |  |  | $ | 4,760 |
Tires in service |  |  | 4,972 |  |  |  | 5,011 |
Parts and tires inventory |  |  | 3,394 |  |  |  | 3,528 |
Insurance premiums |  |  | 2,356 |  |  |  | 1,831 |
Contract assets |  |  | 1,729 |  |  |  | 1,823 |
Other |  |  | 3,166 |  |  |  | 2,971 |
|  | $ | 20,938 |  |  | $ | 19,924 |
Accrued and other current liabilities: As of December 31, accrued and other current liabilities consisted of the following:
(In thousands) |  | 201 9 |  |  | 2018 |
Accrued expenses |  | $ | 6,738 |  |  | $ | 7,091 |
Vacation |  |  | 6,558 |  |  |  | 5,895 |
Salaries and wages |  |  | 5,438 |  |  |  | 9,744 |
Accrued liability to MWL |  |  | - |  |  |  | 1,222 |
Other |  |  | 2,946 |  |  |  | 4,214 |
|  | $ | 21,680 |  |  | $ | 28,166 |

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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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