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Note 16 - Segment Information | 12 Months Ended
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Dec. 31, 2013
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] | 16. SEGMENT INFORMATION As previously discussed, we have one reportable segment, our asset-based truckload services ("Truckload"). Our other operations consist of several operating segments, which neither individually nor in the aggregate meet the quantitative or qualitative reporting thresholds. As a result, these operations are grouped in "Other" in the tables below. The accounting policies of the segments are the same as those described in the summary of significant accounting policies. Substantially all intersegment sales prices are market based. We evaluate performance based on operating income of the respective business units. "Unallocated Corporate Overhead" includes expenses that are incidental to our activities and are not specifically allocated to one of the segments. The following tables summarize our segment information:
Year Ended December 31, 2013 |  | Truckload |  |  | Other |  |  | Unallocated Corporate Overhead |  |  | Consolidated |
Revenue |  | $ | 644,403 |  |  | $ | 51,702 |  |  | $ | - |  |  | $ | 690,327 |
Intersegment revenue |  |  | - |  |  |  | (5,778 | ) |  |  | - |  |  |  | (5,778 | )
Operating income (loss) |  |  | 27,746 |  |  |  | 1,271 |  |  |  | (8,623 | ) |  |  | 20,394 |
Depreciation and amortization |  |  | 42,848 |  |  |  | 72 |  |  |  | 775 |  |  |  | 43,694 |
Total assets |  |  | 402,637 |  |  |  | 20,883 |  |  |  | 42,902 |  |  |  | 466,422 |
Capital expenditures (proceeds), net (1) |  |  | 90,336 |  |  |  | 10 |  |  |  | 1,630 |  |  |  | 91,976 |
Year Ended December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 647,986 |  |  | $ | 33,250 |  |  | $ | - |  |  | $ | 681,236 |
Intersegment revenue |  |  | - |  |  |  | (6,982 | ) |  |  | - |  |  |  | (6,982 | )
Operating income (loss) |  |  | 34,185 |  |  |  | (741 | ) |  |  | (10,235 | ) |  |  | 23,209 |
Depreciation and amortization |  |  | 42,015 |  |  |  | 26 |  |  |  | 1,181 |  |  |  | 43,222 |
Total assets |  |  | 363,223 |  |  |  | 11,963 |  |  |  | 25,046 |  |  |  | 400,232 |
Capital expenditures (proceeds), net (1) |  |  | (16,677 | ) |  |  | - |  |  |  | 939 |  |  |  | (15,738 | )
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 625,252 |  |  | $ | 33,526 |  |  | $ | - |  |  | $ | 658,778 |
Intersegment revenue |  |  | - |  |  |  | (6,151 | ) |  |  | - |  |  |  | (6,151 | )
Operating income (loss) |  |  | 10,438 |  |  |  | 1,687 |  |  |  | (13,186 | ) |  |  | (1,061 | )
Depreciation and amortization |  |  | 44,825 |  |  |  | 24 |  |  |  | 1,425 |  |  |  | 46,274 |
Total assets |  |  | 405,699 |  |  |  | 6,138 |  |  |  | 27,988 |  |  |  | 439,825 |
Capital expenditures, net (1) |  | $ | 52,871 |  |  | $ | - |  |  | $ | 1,531 |  |  | $ | 54,402 |
| (1) | Includes equipment purchased under capital leases.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 + Details
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