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Note 9 - Equity Method Investment (Details) (USD $) | 3 Months Ended | 6 Months Ended |  |  | 0 Months Ended |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | May 31, 2011 Based On 2011 Results [Member] Transport Enterprise Leasing, LLC [Member] | May 31, 2011 Based On 2012 Results [Member] Transport Enterprise Leasing, LLC [Member] | Jun. 30, 2014 Scenario, Forecast [Member] | Jun. 30, 2014 Transport Enterprise Leasing, LLC [Member] Reduction In TEI Investment [Member] | May 31, 2011 Transport Enterprise Leasing, LLC [Member] | Jun. 30, 2014 Transport Enterprise Leasing, LLC [Member] | Dec. 31, 2013 Transport Enterprise Leasing, LLC [Member] | Jun. 30, 2014 Earnout [Member]
Note 9 - Equity Method Investment (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  | 49.00% |  |  |
Payments to Acquire Equity Method Investments |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  |  |  |  |  | 4,500,000 |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Income (Loss) from Equity Method Investments | 850,000 | 550,000 | 1,650,000 | 1,030,000 |  |  | 2,400,000 |  |  |  | 1,700,000 |  |
Accrued Liabilities, Current | 28,769,000 |  | 28,769,000 |  | 28,185,000 |  |  |  |  |  |  |  | 0
Option To Acquire Interest In Equity Method Investment, Percentage of Ownership |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  |  | 48,540,000 | 26,875,000 |  |  |  |  |  |  | 4,900,000 |  |
Deferred Gain on Sale of Property |  |  |  |  |  |  |  |  | 800,000 |  | 100,000 |  |
Due from Related Parties |  |  |  |  |  |  |  |  |  |  | 1,800,000 | 1,900,000 |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  | $ 10,200,000 | $ 8,700,000 |

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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