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v3.6.0.2

Note 1 - Significant Accounting Policies (Details Textual) $ / shares in Units, shares in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) $ / shares | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | [1] | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | [3] | Sep. 30, 2016 | Dec. 31, 2016 USD ($) shares | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | May 31, 2011
Number of Reportable Segments |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Number of Asset-based Operating Fleets Aggregated in a Segment |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
Revenues | $ 190,978,000 | $ 164,500,000 | $ 158,832,000 | $ 156,341,000 | $ 208,061,000 | $ 173,512,000 | $ 175,451,000 | [2] | $ 167,216,000 |  | $ 670,651,000 | $ 724,240,000 | $ 718,980,000 |  |
Accounts Receivable, Net, Current | 96,636,000 |  |  |  | 112,669,000 |  |  |  |  |  | 96,636,000 | 112,669,000 |  |  |
Allowance for Doubtful Accounts Receivable | 1,345,000 |  |  |  | 1,857,000 |  |  |  |  |  | 1,345,000 | 1,857,000 | 1,767,000 | $ 1,736,000 |
Finite-Lived Intangible Assets, Net | 0 |  |  |  | 169,000 |  |  |  |  |  | 0 | 169,000 |  |  |
Insurance Policy Primary Occurence Limit | 1,000,000 |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |
Workers Compensation Self Insurance Per Claim |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |
Cargo Losses Purchased Coverage per Claim |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |
Employee Annual Insuarnce Deductible Per Claim |  |  |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |
Physical Damage Coverage |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Drivers Advances And Other Receivables Net Of Allowance | 8,757,000 |  |  |  | 8,779,000 |  |  |  |  |  | $ 8,757,000 | 8,779,000 |  |  |
Liability for Claims and Claims Adjustment Expense | 20,000,000 |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |
Reduction in Insurance and Claims Expense |  |  |  |  |  |  | $ 3,600,000 |  |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense, Single Loss Limit | 9,000,000 |  |  |  |  |  |  |  |  |  | 9,000,000 |  |  |  |
Liability for Claims and Claims Adjustment Expense, Aggregate Limit per Policy Year | 18,000,000 |  |  |  |  |  |  |  |  |  | 18,000,000 |  |  |  |
Liability for Claims and Claims Adjustment Expense, Aggregate Three Year Limit | 30,000,000 |  |  |  |  |  |  |  |  |  | 30,000,000 |  |  |  |
Auto Policy Release Premium Refund |  |  |  |  |  |  |  |  |  |  | 13,600,000 |  |  |  |
Interest Costs Capitalized |  |  |  |  |  |  |  |  |  |  | $ 100,000 | 100,000 | 100,000 |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  |  |  |  |  |  |  |  | 0.1 |  |  |  |
Prior Period Reclassification Adjustment |  |  |  |  |  |  |  |  |  |  | $ 2,247,000 |  |  |  |
Goodwill | $ 0 |  |  |  | 0 |  |  |  |  |  | 0 | 0 |  |  |
Reclassification of Debt Issuance Costs from Other Assets to Long-term Notes Payable [Member] | December 31, 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  |  |  |  |  |  |  |  | 700,000 |  |  |  |
Accounting Standards Update 2016-09 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Period Reclassification Adjustment |  |  |  |  |  |  |  |  |  |  | 2,200,000 |  |  |  |
Income Tax Benefit, Previously Unrecognized Tax Benefits |  |  |  |  |  |  |  |  |  |  | $ 1,100,000 |  |  |  |
Tractors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Property, Plant and Equipment, Salvage Value, Percentage | 15.00% |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |
Tractors [Member] | Salvage Value [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, Additional Expense | $ 2,000,000 | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, Additional Expense, After Tax | $ 1,200,000 | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of Additional Depreciation Expense on Earnings Per Share | $ / shares |  | $ (0.06) |  |  |  |  |  |  |  |  |  |  |  |  |
Refrigerated Trailers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |
Dry Van Trailers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Property, Plant and Equipment, Salvage Value, Percentage | 25.00% |  |  |  |  |  |  |  |  |  | 25.00% |  |  |  |
Collateral for Collection Issues [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable | $ 300,000 |  |  |  |  |  |  |  |  |  | $ 300,000 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Advance For Factoring Receivables Percentage |  |  |  |  |  |  |  |  |  |  | 85.00% |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Minimum [Member] | Revenue Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Capital Leases of Lessee, Term of Contract |  |  |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Advance For Factoring Receivables Percentage |  |  |  |  |  |  |  |  |  |  | 95.00% |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |
Maximum [Member] | Revenue Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Capital Leases of Lessee, Term of Contract |  |  |  |  |  |  |  |  |  | 7 years | 7 years |  |  |  |
Wal-Mart [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | $ 69,400,000 |  |  |  |
UPS (United Parcel Service) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  | $ 75,800,000 | $ 82,600,000 |  |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  | 53.00% | 45.00% | 38.00% |  |
Number of Major Customers |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |
Non Asset Operations [Member] | Solutions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | $ 2,600,000 | $ 2,400,000 | $ 2,300,000 |  |
Factoring Receivables [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable, Net, Current | 25,800,000 |  |  |  | 18,900,000 |  |  |  |  |  | 25,800,000 | 18,900,000 |  |  |
Allowance for Doubtful Accounts Receivable | 200,000 |  |  |  | 200,000 |  |  |  |  |  | 200,000 | 200,000 |  |  |
Receivables from Insurers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Drivers Advances And Other Receivables Net Of Allowance | 700,000 |  |  |  | 100,000 |  |  |  |  |  | 700,000 | 100,000 |  |  |
Self Insurance [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Assets | $ 100,000 |  |  |  | $ 600,000 |  |  |  |  |  | $ 100,000 | $ 600,000 |  |  |
Transport Enterprise Leasing LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 49.00% |  |  |  |  |  |  |  |  |  | 49.00% |  |  |  | 49.00%
[1] | Adjusted from 10-Q as filed due to implementation of ASU 2016-09.
[2] | Includes $3.6 million in return of previously expensed insurance premiums for the commutation of our primary auto liability policy for the period of April 1, 2013, through September 30, 2014.
[3] | Includes $4.7 million after tax one-time federal income tax credit.

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