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Note 9 - Equity Method Investment (Tables) (Transport Enterprise Leasing, LLC [Member]) | 3 Months Ended
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Mar. 31, 2015
Balance Sheet [Member] |
Note 9 - Equity Method Investment (Tables) [Line Items] |
Equity Method Investments [Table Text Block] |
(in thousands) |  | As of March 31, 2015 |  |  | As of December 31, 2014 |
Current Assets |  | $ | 9,748 |  |  | $ | 14,525 |
Non-current Assets |  |  | 80,984 |  |  |  | 64,731 |
Current Liabilities |  |  | 5,329 |  |  |  | 16,733 |
Non-current Liabilities |  |  | 65,794 |  |  |  | 45,687 |
Total Equity |  | $ | 19,609 |  |  | $ | 16,836 |
Income Statement [Member] |
Note 9 - Equity Method Investment (Tables) [Line Items] |
Equity Method Investments [Table Text Block] |
|  | For the three months ended March 31, 2015 |  |  | For the three months ended March 31, 2014 |
Revenue |  | $ | 29,025 |  |  | $ | 17,646 |
Operating Expenses |  |  | 25,552 |  |  |  | 15,536 |
Operating Income |  |  | 3,473 |  |  |  | 2,110 |
Net Income |  | $ | 2,773 |  |  | $ | 1,661 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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