USA Truck (USAK) 10-Q 26 Oct 18 2018 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Oct. 19, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	USA TRUCK INC
Entity Central Index Key	883,945
Trading Symbol	usak
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding (in shares)		8,361,805
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q3
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 6	$ 71
Accounts receivable, net of allowance for doubtful accounts of $544 and $639, respectively	57,847	55,138
Other receivables	3,514	2,787
Inventories	433	458
Assets held for sale	1,882	112
Prepaid expenses and other current assets	3,933	6,025
Total current assets	67,615	64,591
Property and equipment:
Land and structures	31,901	31,452
Revenue equipment	234,892	252,484
Service, office and other equipment	27,486	26,209
Property and equipment, at cost	294,279	310,145
Accumulated depreciation and amortization	(109,849)	(122,329)
Property and equipment, net	184,430	187,816
Other assets	1,277	1,448
Total assets	253,322	253,855
Current liabilities:
Accounts payable	26,813	24,332
Current portion of insurance and claims accruals	17,089	13,552
Accrued expenses	10,492	9,108
Current maturities of capital leases	10,299	12,929
Insurance premium financing	0	4,115
Total current liabilities	64,693	64,036
Deferred gain	770	480
Long-term debt	46,000	61,225
Capital leases, less current maturities	39,964	29,216
Deferred income taxes	19,815	21,136
Insurance and claims accruals, less current portion	8,242	11,274
Total liabilities	179,484	187,367
Stockholders’ equity:
Preferred Stock, $0.01 par value; 1,000,000 shares authorized; none issued	0	0
Common Stock, $0.01 par value; 30,000,000 shares authorized; issued 12,011,877 shares, and 12,142,391 shares, respectively	120	121
Additional paid-in capital	66,355	68,667
Retained earnings	72,339	65,460
Less treasury stock, at cost (3,711,551 shares, and 3,853,064 shares, respectively)	(64,976)	(67,760)
Total stockholders’ equity	73,838	66,488
Total liabilities and stockholders’ equity	$ 253,322	$ 253,855

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 544	$ 639
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	30,000,000	30,000,000
Common Stock, Shares, Issued	12,011,877	12,142,391
Treasury Stock, Shares	3,711,551	3,853,064

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue
Operating revenue	$ 132,583	$ 114,235	$ 392,977	$ 323,263
Operating expenses
Salaries, wages and employee benefits	31,540	29,813	95,423	89,674
Fuel and fuel taxes	13,823	11,759	41,286	33,012
Depreciation and amortization	6,735	6,790	21,392	21,313
Insurance and claims	5,946	5,344	16,889	19,236
Equipment rent	2,916	2,703	7,785	7,449
Operations and maintenance	8,237	8,259	25,111	22,780
Purchased transportation	52,640	42,543	157,495	120,951
Operating taxes and licenses	1,136	972	2,900	2,946
Communications and utilities	674	679	2,064	1,943
Gain on disposal of assets, net	(901)	(215)	(1,466)	(551)
Restructuring, impairment and other costs (reversal)	0	0	(639)	0
Other	4,034	3,784	12,231	12,071
Total operating expenses	126,780	112,431	380,471	330,824
Operating income (loss)	5,803	1,804	12,506	(7,561)
Other expenses
Interest expense, net	811	970	2,462	2,922
Other, net	420	86	653	311
Total other expenses, net	1,231	1,056	3,115	3,233
Income (loss) before income taxes	4,572	748	9,391	(10,794)
Income tax expense (benefit)	1,272	339	2,512	(3,469)
Consolidated net income (loss) and comprehensive income (loss)	$ 3,300	$ 409	$ 6,879	$ (7,325)
Net earnings (loss) per share
Average shares outstanding (basic) (in usd per share)	8,223	8,027	8,170	8,029
Basic earnings (loss) per share (in usd per share)	$ 0.40	$ 0.05	$ 0.84	$ (0.91)
Average shares outstanding (diluted) (in shares)	8,240	8,039	8,193	8,029
Diluted earnings (loss) per share (in usd per shares)	$ 0.40	$ 0.05	$ 0.84	$ (0.91)

Condensed Consolidated Statem_2

Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Balance (in shares) at Dec. 31, 2017		12,142
Balance at Dec. 31, 2017	$ 66,488	$ 121	$ 68,667	$ 65,460	$ (67,760)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of treasury stock			(2,784)		2,784
Stock-based compensation	605		605
Forfeited restricted stock (in shares)		(128)
Forfeited restricted stock		$ (1)	1
Net share settlement related to restricted stock vesting (in shares)		(2)
Net share settlement related to restricted stock vesting	(134)		(134)
Net income (loss)	6,879			6,879
Balance (in shares) at Sep. 30, 2018		12,012
Balance at Sep. 30, 2018	$ 73,838	$ 120	$ 66,355	$ 72,339	$ (64,976)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income (loss)	$ 6,879	$ (7,325)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	21,392	21,313
Deferred income tax, net	(1,321)	(5,885)
Share-based compensation	605	289
Gain on disposal of assets, net	(1,466)	(551)
Reversal of previously recorded restructuring, impairment and other costs	639	0
Other	290	(121)
Changes in operating assets and liabilities:
Accounts receivable	(3,436)	(1,766)
Inventories and prepaid expenses	2,117	2,722
Accounts payable and accrued liabilities	3,833	9,471
Insurance and claims accruals	505	1,937
Other long-term assets and liabilities	171	164
Net cash provided by operating activities	28,930	20,248
Investing activities:
Capital expenditures	(12,787)	(7,645)
Proceeds from sale of property and equipment	8,776	9,306
Proceeds from operating sale leaseback	5,323	10,980
Net cash provided by investing activities	1,312	12,641
Financing activities:
Borrowings under long-term debt	28,210	20,755
Payments on long-term debt	(47,550)	(44,065)
Payments on capitalized lease obligations	(11,564)	(8,205)
Net change in bank drafts payable	731	(1,249)
Net payments for tax withholdings for vested stock-based awards	(134)	4
Issuance of treasury stock	0	(58)
Net cash used in financing activities	(30,307)	(32,818)
(Decrease) increase in cash	(65)	71
Cash:
Beginning of period	71	122
End of period	6	193
Supplemental disclosure of cash flow information:
Interest	2,469	2,908
Income taxes	3,586	138
Supplemental disclosure of non-cash investing activities:
Purchases of revenue equipment included in accounts payable	$ 60	$ 0

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	BASIS OF PRESENTATION In the opinion of the management of USA Truck, Inc., the accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information. Certain information and footnote disclosures normally included in financial statements required by GAAP have been condensed or omitted. All normal recurring adjustments considered necessary for a fair presentation have been included. Operating results for the three and nine month periods ended September 30, 2018 are not necessarily indicative of the results that may be expected for the year ended December 31, 2018 . These financial statements should be read in conjunction with the financial statements, and footnotes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 . References to the “Company,” “we,” “us,” “our” or similar terms refer to USA Truck, Inc. and its subsidiary.

New Accounting Pronouncements

New Accounting Pronouncements	9 Months Ended
	Sep. 30, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Pronouncements	NEW ACCOUNTING PRONOUNCEMENTS In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-9, Revenue from Contracts with Customers (“ASU 2014-9”), which supersedes nearly all existing revenue recognition guidance under GAAP. The core principle of ASU 2014-9 is to recognize revenue when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. ASU 2014-9 defines a five-step process to implement this core principle and, in doing so, more judgment and estimates may be required within the revenue recognition process than are required under previous GAAP. Transportation revenue within our USAT Logistics segment under the new standard changed from recognition of revenue at completion of delivery to recognizing revenue proportionately as the transportation services are performed. This change did not materially impact our operations or IT infrastructure. In our Trucking segment, where revenue is recognized as services are provided, revenue recognition remained the same. The Company adopted ASU 2014-9 effective January 1, 2018 using the modified retrospective method. The effect of adoption was immaterial to retained earnings at January 1, 2018 and to net income for the three and nine month periods ended September 30, 2018 . In February 2016, the FASB issued ASU No. 2016-2, Leases, which requires lessees to recognize a right-to-use asset and a lease obligation for all leases. Lessees are permitted to make an accounting policy election to not recognize an asset and liability for leases with a term of twelve months or less. Lessor accounting under the new standard is substantially unchanged. Additional qualitative and quantitative disclosures, including significant judgments made by management, will be required. The new standard, which will become effective for the Company beginning with the first quarter of 2019, requires a modified retrospective transition approach and includes a number of practical expedients. The Company expects the adoption of this standard to have a material impact on our consolidated balance sheets, but not our statement of operations. The Company expects to elect the transition relief practical expedient described under ASU 2018-11 and not recast comparative periods in the transition to ASC 842. See Note 9 for further discussion of our lease types and positions.

Revenue

Revenue	9 Months Ended
	Sep. 30, 2018
Revenue Recognition [Abstract]
Revenue	REVENUE Revenue is measured based upon consideration specified in a contract with a customer. The Company recognizes revenue over time, as contractual performance obligations are satisfied by transferring the benefit of the service to our customer. The benefit is transferred to the customer as the service is provided and revenue is recognized accordingly via time-based metrics. A corresponding contract asset of $1.9 million was recorded in the September 30, 2018 balance sheet in the Accounts receivable line item. The Company is entitled to receive payment as it satisfies performance obligations with customers. The amount of remaining performance obligations relating to loads in process at 11:59 pm as of September 30, 2018 , was deemed to be immaterial. Our business consists of two reportable segments, Trucking and USAT Logistics. For more detailed information about our reportable segments, see Note 4. The Company’s revenue types are line haul, fuel surcharge and accessorial. Line haul revenue represents the majority of our revenue and consists of fees earned for freight transportation, excluding fuel surcharge. Fuel surcharge revenue consists of additional fees earned by the Company in connection with the performance of line haul services to partially or completely offset the cost of fuel. Accessorial revenue consists of ancillary services `provided by the Company, including but not limited to, stop-off charges, loading and unloading charges, tractor or trailer detention charges, expedited charges, repositioning charges, etc. These accessorial charges are recognized as revenue throughout the service provided. The following tables set forth revenue disaggregated by revenue type and segment (in thousands): Three Months Ended Revenue type 2018 2017 Trucking USAT Logistics Total Trucking USAT Logistics Total Freight $ 71,774 $ 41,746 $ 113,520 $ 65,869 $ 34,012 $ 99,881 Fuel surcharge 11,880 4,102 15,982 9,540 2,309 11,849 Accessorial 1,875 1,206 3,081 1,041 1,464 2,505 Total $ 85,529 $ 47,054 $ 132,583 $ 76,450 $ 37,785 $ 114,235 Nine Months Ended Revenue type 2018 2017 Trucking USAT Logistics Total Trucking USAT Logistics Total Freight $ 211,503 $ 126,848 $ 338,351 $ 187,384 $ 94,856 $ 282,240 Fuel surcharge 35,178 11,812 46,990 27,555 7,456 35,011 Accessorial 3,150 4,486 7,636 3,336 2,676 6,012 Total $ 249,831 $ 143,146 $ 392,977 $ 218,275 $ 104,988 $ 323,263

Segment Reporting

Segment Reporting	9 Months Ended
	Sep. 30, 2018
Segment Reporting [Abstract]
Segment Reporting Disclosure	SEGMENT REPORTING The Company’s two reportable segments are Trucking and USAT Logistics. Trucking . Trucking is comprised of one-way truckload and dedicated freight motor carrier services. Truckload provides one-way motor carrier services as a common and contract carrier, in which volumes typically are not contractually committed, and dedicated contract motor carrier services, in which a combination of equipment and drivers is contractually committed to a particular customer, typically for a duration of at least one year, subject to certain cancellation rights. USA Truck has provided truckload motor carrier services since its inception, and continues to derive the largest portion of its gross revenue from these services. USAT Logistics . USAT Logistics’ service offerings consist of freight brokerage, logistics, and rail intermodal services. Each of these service offerings match customer shipments with available equipment of authorized third-party motor carriers and other service providers and provide services that complement the Company’s Trucking operations. The Company provides these services primarily to existing Trucking customers, many of whom prefer to rely on a single service provider, or a small group of service providers, to provide all their transportation solutions. Revenue equipment assets are not allocated to USAT Logistics as freight services for customers are brokered through arrangements with third-party motor carriers who utilize their own equipment. To the extent rail intermodal operations require the use of Company-owned assets, they are obtained from the Company’s Trucking segment on an as-needed basis. Depreciation and amortization expense is allocated to USAT Logistics based on the Company-owned assets specifically utilized to generate USAT Logistics revenue. All intercompany transactions between segments reflect rates similar to those that would be negotiated with independent third parties. All other expenses for USAT Logistics are specifically identifiable direct costs or are allocated to USAT Logistics based on relevant cost drivers, as determined by management. In determining its reportable segments, the Company’s management focuses on financial information, such as operating revenue, operating expense categories, operating ratios and operating income, as well as on key operating statistics, to make operating decisions. A summary of operating revenue by segment is as follows (in thousands): Three Months Ended Nine Months Ended Operating revenue 2018 2017 2018 2017 Trucking revenue (1) $ 86,801 $ 76,811 $ 251,332 $ 219,013 Trucking intersegment eliminations (1,272 ) (361 ) (1,501 ) (738 ) Trucking operating revenue 85,529 76,450 249,831 218,275 USAT Logistics revenue 49,136 41,907 146,527 111,435 USAT Logistics intersegment eliminations (2,082 ) (4,122 ) (3,381 ) (6,447 ) USAT Logistics operating revenue 47,054 37,785 143,146 104,988 Total operating revenue $ 132,583 $ 114,235 $ 392,977 $ 323,263 (1) Includes foreign revenue of $10.6 million and $31.6 million for the three and nine months ended September 30, 2018 , respectively, and $9.6 million and $27.2 million for the three and nine months ended September 30, 2017 , respectively. All foreign revenue is collected in U.S. dollars. A summary of operating income (loss) by segment is as follows (in thousands): Three Months Ended Nine Months Ended Operating income (loss) 2018 2017 2018 2017 Trucking $ 2,605 $ (1,194 ) $ 4,294 $ (13,165 ) USAT Logistics 3,198 2,998 8,212 5,604 Total operating income (loss) $ 5,803 $ 1,804 $ 12,506 $ (7,561 ) A summary of depreciation and amortization by segment is as follows (in thousands): Three Months Ended Nine Months Ended Depreciation and amortization 2018 2017 2018 2017 Trucking $ 6,562 $ 6,659 $ 20,887 $ 20,982 USAT Logistics 173 131 505 331 Total depreciation and amortization $ 6,735 $ 6,790 $ 21,392 $ 21,313

Equity Compensation and Employe

Equity Compensation and Employee Benefit Plans	9 Months Ended
	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Equity Compensation and Employee Benefit Plans	EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS The Company adopted the 2014 Omnibus Incentive Plan (the “Incentive Plan”) in May 2014. The Incentive Plan replaced the 2004 Equity Incentive Plan and provided for the granting of up to 500,000 shares of common stock through equity-based awards to directors, officers and other key employees and consultants. The First Amendment to the Incentive Plan was adopted in May 2017, which, among other things, increased the number of shares of common stock available for issuance under the Incentive Plan by an additional 500,000 shares. As of September 30, 2018 , 591,345 shares remain available under the Incentive Plan for the issuance of future equity-based compensation awards.

Accrued Expenses

Accrued Expenses	9 Months Ended
	Sep. 30, 2018
Payables and Accruals [Abstract]
Accrued Expenses	ACCRUED EXPENSES Accrued expenses consisted of the following (in thousands): Accrued expenses September 30, December 31, Salaries, wages and employee benefits $ 6,145 $ 3,604 Federal and state tax accruals 2,967 3,587 Restructuring, impairment and other costs — 770 Other (1) 1,380 1,147 Total accrued expenses $ 10,492 $ 9,108 (1) As of September 30, 2018 and December 31, 2017 , no single item included within other accrued expenses exceeded 5.0% of our total current liabilities.

Insurance Premium Financing

Insurance Premium Financing	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Insurance Premium Financing	INSURANCE PREMIUM FINANCING In October 2017, the Company executed an unsecured note payable for $4.1 million to a third-party financing company for a portion of the Company’s annual insurance premiums. The note was payable in installments of principal and interest of approximately $1.4 million and was paid in full during the quarter ended September 30, 2018 .

Long-term Debt

Long-term Debt	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Long-term Debt	LONG-TERM DEBT Long-term debt consisted of the following (in thousands): September 30, December 31, Revolving credit agreement $ 46,000 $ 61,225 In February 2015, the Company entered into a new senior secured revolving credit facility (the “Credit Facility”) with a group of lenders and Bank of America, N.A., as agent (“Agent”). The Credit Facility is structured as a $170.0 million revolving credit facility, with an accordion feature that, so long as no event of default exists, allows the Company to request an increase in the revolving credit facility of up to $80.0 million , exercisable in increments of $20.0 million . The Credit Facility is a five year facility scheduled to terminate on February 5, 2020. Borrowings under the Credit Facility are classified as either “base rate loans” or “LIBOR loans”. Base rate loans accrue interest at a base rate equal to the Agent’s prime rate plus an applicable margin between 0.25% and 1.00% that is adjusted quarterly based on the Company’s consolidated fixed charge coverage ratio. LIBOR loans accrue interest at the London Interbank Offered Rate (“LIBOR”) plus an applicable margin between 1.25% and 2.00% that is adjusted two days prior to each 30 -day interest period for a term equivalent to such period based on the Company’s consolidated fixed charge coverage ratio. The Credit Facility includes, within its $170.0 million revolving credit facility, a letter of credit sub-facility in an aggregate amount of $15.0 million and a swingline sub-facility (the “Swingline”) in an aggregate amount of $20.0 million . An unused line fee of 0.25% is applied to the average daily amount by which the lenders’ aggregate revolving commitments exceed the outstanding principal amount of revolver loans and the aggregate undrawn amount of all outstanding letters of credit issued under the Credit Facility. The Credit Facility is secured by a pledge of substantially all of the Company’s assets, except for any real estate or revenue equipment financed outside the Credit Facility. Borrowings under the Credit Facility are subject to a borrowing base limited to the lesser of (A) $170.0 million ; or (B) the sum of (i) 90% of eligible investment grade accounts receivable (reduced to 85% in certain situations), plus (ii) 85% of eligible non-investment grade accounts receivable, plus (iii) the lesser of (a) 85% of eligible unbilled accounts receivable and (b) $10.0 million , plus (iv) the product of 85% multiplied by the net orderly liquidation value percentage applied to the net book value of eligible revenue equipment, plus (v) 85% multiplied by the net book value of otherwise eligible newly acquired revenue equipment that has not yet been subject to an appraisal. The borrowing base is reduced by an availability reserve, including reserves based on dilution and certain other customary reserves. The Credit Facility contains a single financial covenant, which requires a consolidated fixed charge coverage ratio of at least 1.0 to 1.0 that is triggered in the event excess availability under the Credit Facility falls below 10% of the lenders’ total commitments. Also, certain restrictions regarding the Company’s ability to pay dividends, make certain investments, prepay certain indebtedness, execute share repurchase programs and enter into certain acquisitions and hedging arrangements are triggered in the event excess availability under the Credit Facility falls below 20% of the lenders’ total commitments. Management believes the Company’s excess availability will not fall below 20% , or $34.0 million , and expects the Company to remain in compliance with all debt covenants during the next twelve months. The Company had no borrowings under the Swingline as of September 30, 2018 . The average interest rate including all borrowings made under the Credit Facility as of September 30, 2018 , was 3.65% . As debt is repriced on a monthly basis, the borrowings under the Credit Facility approximate fair value. As of September 30, 2018 , the Company had outstanding $5.4 million in letters of credit and had approximately $76.2 million available to borrow under the Credit Facility.

Leases and Commitments

Leases and Commitments	9 Months Ended
	Sep. 30, 2018
Leases [Abstract]
Leases and Commitments	LEASES AND COMMITMENTS As of September 30, 2018 , the future minimum payments, including interest, under capitalized leases with initial terms of one year or more and future rentals under operating leases for certain facilities, office equipment and revenue equipment with initial terms of one year or more were as follows for the years indicated (in thousands): 2018 2019 2020 2021 2022 Thereafter Capital leases, including interest component $ 2,634 $ 15,457 $ 19,266 $ 3,542 $ 4,416 $ 9,199 Operating leases 2,855 8,277 4,817 753 349 459 CAPITAL LEASES The Company leases certain equipment under capital leases with terms ranging from 15 months to 60 months. Balances related to these capitalized leases are included in the "Property and Equipment" line item in the accompanying condensed consolidated balance sheets and are set forth in the table below for the periods indicated (in thousands): Capitalized Costs Accumulated Amortization Net Book Value September 30, 2018 $ 64,551 $ 14,691 $ 49,860 December 31, 2017 66,785 23,254 43,531 The Company has capitalized lease obligations relating to revenue equipment as of September 30, 2018 of $50.3 million , of which $10.3 million represents the current portion. Such leases have various termination dates extending through November 2024 and contain renewal or fixed price purchase options. The effective interest rates on the leases range from nil to 2.18% as of September 30, 2018 . The lease agreements require payment of property taxes, maintenance and operating and non-operating expenses. Amortization of capital leases was $1.4 million and $4.2 million for the three and nine months ended September 30, 2018 , respectively, and $1.6 million and $5.2 million for the three and nine months ended September 30, 2017 , respectively. As of the nine months ended September 30, 2018 , the Company has entered into $19.7 million dollars of non-cash capitalized lease obligations as compared to $2.8 million at September 30, 2017 . OPERATING LEASES Rent expense associated with operating leases was $3.3 million and $8.9 million for the three and nine months ended September 30, 2018 , respectively, and $3.2 million and $8.7 million for the three and nine months ended September 30, 2017 , respectively. Rent expense relating to tractors, trailers and other operating equipment is included in the Equipment rent,” line item while rent expense relating to office equipment is included in the “Operations and maintenance” line item in the accompanying condensed consolidated statements of operations and comprehensive income (loss). During the second quarter of 2018, the Company completed a sale-leaseback transaction under which it sold certain owned trailers to an unrelated party for proceeds of $5.3 million and entered into an operating lease with the buyer for a term of six months . The $5.3 million of proceeds due to the Company was recorded in the “Other receivables” line item in the accompanying condensed consolidated balance sheet, and was received from the purchaser in early July 2018. The Company recorded a liability of approximately $1.3 million representing the gain on the sale and will amortize such amount to earnings ratably over the lease term. This deferred gain is included in the “Deferred gain” line item in the accompanying condensed consolidated balance sheet. OTHER COMMITMENTS As of September 30, 2018 , the Company had $24.4 million in noncancellable commitments for purchases of both revenue and non-revenue equipment. We anticipate funding these commitments with operating and financing cash flows.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES During the three months ended September 30, 2018 and 2017 , the Company’s effective tax rate was 27.8% and 45.3% , respectively. During the nine months ended September 30, 2018 and 2017 , the Company’s effective tax rate was 26.7% and 32.1% , respectively. The Company’s effective tax rate for the 2018 periods, when compared to the federal statutory rate of 21% , is primarily affected by state income taxes, net of federal income tax effect for 2018 periods, and permanent differences, the most significant of which is the effect of the partially non-deductible per diem pay structure for our drivers. Drivers may elect to receive non-taxable per diem pay in lieu of a portion of their taxable wages. This per diem program increases the Company’s drivers’ net pay per mile, after taxes, while decreasing gross pay, before taxes. Per diem pay is partially non-deductible by the Company under current IRS regulations. As a result, salaries, wages and employee benefits costs are slightly lower and effective income tax rates are higher than the statutory rate. Due to the partially non-deductible effect of per diem pay, the Company’s tax rate will change based on fluctuations in earnings (losses) and in the number of drivers who elect to receive this pay structure. Generally, as pretax income or loss increases, the impact of the driver per diem program on the Company’s effective tax rate decreases, because aggregate per diem pay becomes smaller in relation to pretax income or loss, while in periods where earnings are at or near breakeven the impact of the per diem program on the Company’s effective tax rate can be significant. When the result of the expected annual effective tax rate is not deemed reliable and distorts the income tax provision for an interim period, the Company calculates the income tax provision or benefit using the cut-off method, which results in an income tax provision or benefit based solely on the year-to-date pretax income or loss as adjusted for permanent differences on a pro rata basis.

Earnings (Loss) Per Share

Earnings (Loss) Per Share	9 Months Ended
	Sep. 30, 2018
Earnings Per Share [Abstract]
Earnings (Loss) Per Share	EARNINGS (LOSS) PER SHARE Basic earnings (loss) per share is computed based on the weighted average number of shares of common stock outstanding during the period. Diluted earnings (loss) per share is computed by adjusting the weighted average number of shares of common stock outstanding by common stock equivalents attributable to dilutive restricted stock. The computation of diluted earnings (loss) per share does not assume conversion, exercise or contingent issuance of securities that would have an antidilutive effect on loss per share. The following table sets forth the computation of basic and diluted earnings (loss) per share (in thousands, except per share amounts): Three Months Ended Nine Months Ended Numerator: 2018 2017 2018 2017 Net income (loss) $ 3,300 $ 409 $ 6,879 $ (7,325 ) Denominator: Denominator for basic earnings (loss) per share – weighted average shares 8,223 8,027 8,170 8,029 Effect of dilutive securities: Employee restricted stock 17 12 23 — Denominator for diluted earnings (loss) per share – adjusted weighted average shares and assumed conversion 8,240 8,039 8,193 8,029 Basic earnings (loss) per share $ 0.40 $ 0.05 $ 0.84 $ (0.91 ) Diluted earnings (loss) per share $ 0.40 $ 0.05 $ 0.84 $ (0.91 ) Weighted average anti-dilutive employee restricted stock 106 — 72 2

Legal Proceedings

Legal Proceedings	9 Months Ended
	Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]
Legal Proceedings	LEGAL PROCEEDINGS The Company is party to routine litigation incidental to its business, primarily involving claims for personal injury and property damage incurred in the transportation of freight. The Company maintains insurance to cover liabilities in excess of certain self-insured retention levels. Though management believes these claims to be immaterial to the Company’s long-term financial position, adverse results of one or more of these claims could have a material adverse effect on the Company’s financial position or results of operations in any given reporting period.

Restructuring, Impairment and O

Restructuring, Impairment and Other Costs	9 Months Ended
	Sep. 30, 2018
Restructuring and Related Activities [Abstract]
Restructuring, Impairment and Other Costs	RESTRUCTURING, IMPAIRMENT AND OTHER COSTS During first quarter of 2018, the Company’s Trucking maintenance facility in South Holland, Illinois was reopened, after having been closed in the first quarter of 2016. As a result, accrued restructuring, impairment and other costs relating to the closure in the amount of $0.6 million were reversed during the three months ended March 31, 2018. The following tables summarize the Company’s liabilities, charges, and cash payments related to the restructuring plan made during the three and nine months ended September 30, 2018 and 2017 (in thousands): Accrued Costs Incurred, Net of Adjustments Payments Expenses/ Charges Accrued Compensation and benefits $ — $ — $ — $ — $ — Facility closing expenses 770 (639 ) (131 ) — — Total $ 770 $ (639 ) $ (131 ) $ — $ — Three Months Ended Nine Months Ended Costs incurred 2018 2017 2018 2017 Trucking $ — $ — $ (587 ) $ — USAT Logistics — — (52 ) — Total $ — $ — $ (639 ) $ — On March 26, 2018, the Company announced the retirement of Mr. James A. Craig, the Company’s Executive Vice President, Chief Commercial Officer, and President – USAT Logistics. Effective March 23, 2018, in connection with Mr. Craig’s retirement, the Executive Compensation Committee (the “Committee”) approved a separation agreement (the “Separation Agreement”) with the following terms: (i) salary continuation through May 31, 2018, (ii) non-compete payments equal to his current salary for a period of twelve months subject to ongoing compliance with certain non-competition, non-solicitation, non-disparagement, and confidentiality covenants in favor of the Company, (iii) a prorated cash payment, if and to the extent earned, under the short-term cash incentive compensation program adopted by the Committee for 2018, and (iv) accelerated vesting of 5,488 shares of time-vested restricted stock of the Company scheduled to vest on July 30, 2018 and 5,488 shares of performance-vested restricted stock of the Company scheduled to vest on July 30, 2018 depending on performance relative to USAT Logistics performance goals. At September 30, 2018 , the Company had accrued severance costs associated with the Mr. Craig’s retirement of approximately $0.4 million . Total costs associated with Mr. Craig’s retirement were $0.7 million and were recorded in the “Salaries, wages and employee benefits” line item in the accompanying condensed consolidated statements of operations and comprehensive income (loss). The following tables summarize the Company’s liabilities, charges, and cash payments related to executive severance agreements made during the three and nine months ended September 30, 2018 and 2017 (in thousands): Accrued Costs Incurred Payments Expenses/ Charges Accrued Severance costs included in salaries, wages and employee benefits $ 35 $ 711 $ (393 ) $ — $ 353 Three Months Ended Nine Months Ended Costs incurred 2018 2017 2018 2017 Trucking $ — $ 56 $ 484 $ 642 USAT Logistics — 26 227 257 Total $ — $ 82 $ 711 $ 899

Subsequent Event

Subsequent Event	9 Months Ended
	Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Event	SUBSEQUENT EVENT On October 18, 2018, the Company entered into an Equity Purchase Agreement (the “Agreement”) with the equity holders (collectively, “Sellers”) of Davis Transfer Company Inc., a Georgia corporation (“DTC”), Davis Transfer Logistics Inc., a Georgia corporation (“DTL”), and B & G Leasing, L.L.C., a Georgia limited liability company (“B & G,” and collectively with DTC and DTL, “Davis”). Davis is a dry-van truckload carrier headquartered in Carnesville, Georgia, with operations primarily in the southeastern United States. Pursuant to the Agreement, the Company purchased all of Davis’ issued and outstanding equity interests from the Sellers in a cash-free, debt-free transaction (the “Transaction”). The Company paid cash of $52.25 million and Company stock of $750,000 for the acquisition of Davis. The purchase price is subject to a customary working capital adjustment post-closing. The Agreement contains customary representations, warranties, covenants, and indemnification provisions, including an escrow to secure Sellers’ indemnification obligations to the Company. The cash consideration payable to Sellers was funded pursuant to a draw on the Company’s existing Credit facility. In connection with the Transaction, on October 18, 2018, the Company entered into a joinder agreement with Bank of America, National Association, which joined Davis to the Company’s existing Credit facility. As of October 18, 2018, upon closing of the Davis Transfer acquisition, the Company had approximately $44.3 million available to borrow under its Credit Facility.

Revenue (Tables)

Revenue (Tables)	9 Months Ended
	Sep. 30, 2018
Revenue Recognition [Abstract]
Disaggregation of Revenue	The following tables set forth revenue disaggregated by revenue type and segment (in thousands): Three Months Ended Revenue type 2018 2017 Trucking USAT Logistics Total Trucking USAT Logistics Total Freight $ 71,774 $ 41,746 $ 113,520 $ 65,869 $ 34,012 $ 99,881 Fuel surcharge 11,880 4,102 15,982 9,540 2,309 11,849 Accessorial 1,875 1,206 3,081 1,041 1,464 2,505 Total $ 85,529 $ 47,054 $ 132,583 $ 76,450 $ 37,785 $ 114,235 Nine Months Ended Revenue type 2018 2017 Trucking USAT Logistics Total Trucking USAT Logistics Total Freight $ 211,503 $ 126,848 $ 338,351 $ 187,384 $ 94,856 $ 282,240 Fuel surcharge 35,178 11,812 46,990 27,555 7,456 35,011 Accessorial 3,150 4,486 7,636 3,336 2,676 6,012 Total $ 249,831 $ 143,146 $ 392,977 $ 218,275 $ 104,988 $ 323,263

Segment Reporting (Tables)

Segment Reporting (Tables)	9 Months Ended
	Sep. 30, 2018
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	A summary of depreciation and amortization by segment is as follows (in thousands): Three Months Ended Nine Months Ended Depreciation and amortization 2018 2017 2018 2017 Trucking $ 6,562 $ 6,659 $ 20,887 $ 20,982 USAT Logistics 173 131 505 331 Total depreciation and amortization $ 6,735 $ 6,790 $ 21,392 $ 21,313 A summary of operating income (loss) by segment is as follows (in thousands): Three Months Ended Nine Months Ended Operating income (loss) 2018 2017 2018 2017 Trucking $ 2,605 $ (1,194 ) $ 4,294 $ (13,165 ) USAT Logistics 3,198 2,998 8,212 5,604 Total operating income (loss) $ 5,803 $ 1,804 $ 12,506 $ (7,561 ) A summary of operating revenue by segment is as follows (in thousands): Three Months Ended Nine Months Ended Operating revenue 2018 2017 2018 2017 Trucking revenue (1) $ 86,801 $ 76,811 $ 251,332 $ 219,013 Trucking intersegment eliminations (1,272 ) (361 ) (1,501 ) (738 ) Trucking operating revenue 85,529 76,450 249,831 218,275 USAT Logistics revenue 49,136 41,907 146,527 111,435 USAT Logistics intersegment eliminations (2,082 ) (4,122 ) (3,381 ) (6,447 ) USAT Logistics operating revenue 47,054 37,785 143,146 104,988 Total operating revenue $ 132,583 $ 114,235 $ 392,977 $ 323,263 (1) Includes foreign revenue of $10.6 million and $31.6 million for the three and nine months ended September 30, 2018 , respectively, and $9.6 million and $27.2 million for the three and nine months ended September 30, 2017 , respectively. All foreign revenue is collected in U.S. dollars.

Accrued Expenses (Tables)

Accrued Expenses (Tables)	9 Months Ended
	Sep. 30, 2018
Payables and Accruals [Abstract]
Schedule of Accrued Liabilities	Accrued expenses consisted of the following (in thousands): Accrued expenses September 30, December 31, Salaries, wages and employee benefits $ 6,145 $ 3,604 Federal and state tax accruals 2,967 3,587 Restructuring, impairment and other costs — 770 Other (1) 1,380 1,147 Total accrued expenses $ 10,492 $ 9,108 (1) As of September 30, 2018 and December 31, 2017 , no single item included within other accrued expenses exceeded 5.0% of our total current liabilities.

Long-term Debt (Tables)

Long-term Debt (Tables)	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	Long-term debt consisted of the following (in thousands): September 30, December 31, Revolving credit agreement $ 46,000 $ 61,225

Leases and Commitments (Tables)

Leases and Commitments (Tables)	9 Months Ended
	Sep. 30, 2018
Leases [Abstract]
Lessee, Operating Lease, Disclosure	As of September 30, 2018 , the future minimum payments, including interest, under capitalized leases with initial terms of one year or more and future rentals under operating leases for certain facilities, office equipment and revenue equipment with initial terms of one year or more were as follows for the years indicated (in thousands): 2018 2019 2020 2021 2022 Thereafter Capital leases, including interest component $ 2,634 $ 15,457 $ 19,266 $ 3,542 $ 4,416 $ 9,199 Operating leases 2,855 8,277 4,817 753 349 459
Schedule of Capital Leased Assets	Balances related to these capitalized leases are included in the "Property and Equipment" line item in the accompanying condensed consolidated balance sheets and are set forth in the table below for the periods indicated (in thousands): Capitalized Costs Accumulated Amortization Net Book Value September 30, 2018 $ 64,551 $ 14,691 $ 49,860 December 31, 2017 66,785 23,254 43,531

Earnings (Loss) Per Share (Tabl

Earnings (Loss) Per Share (Tables)	9 Months Ended
	Sep. 30, 2018
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The following table sets forth the computation of basic and diluted earnings (loss) per share (in thousands, except per share amounts): Three Months Ended Nine Months Ended Numerator: 2018 2017 2018 2017 Net income (loss) $ 3,300 $ 409 $ 6,879 $ (7,325 ) Denominator: Denominator for basic earnings (loss) per share – weighted average shares 8,223 8,027 8,170 8,029 Effect of dilutive securities: Employee restricted stock 17 12 23 — Denominator for diluted earnings (loss) per share – adjusted weighted average shares and assumed conversion 8,240 8,039 8,193 8,029 Basic earnings (loss) per share $ 0.40 $ 0.05 $ 0.84 $ (0.91 ) Diluted earnings (loss) per share $ 0.40 $ 0.05 $ 0.84 $ (0.91 ) Weighted average anti-dilutive employee restricted stock 106 — 72 2

Restructuring, Impairment and_2

Restructuring, Impairment and Other Costs (Tables)	9 Months Ended
	Sep. 30, 2018
Restructuring and Related Activities [Abstract]
Restructuring and Related Costs	The following tables summarize the Company’s liabilities, charges, and cash payments related to the restructuring plan made during the three and nine months ended September 30, 2018 and 2017 (in thousands): Accrued Costs Incurred, Net of Adjustments Payments Expenses/ Charges Accrued Compensation and benefits $ — $ — $ — $ — $ — Facility closing expenses 770 (639 ) (131 ) — — Total $ 770 $ (639 ) $ (131 ) $ — $ — Three Months Ended Nine Months Ended Costs incurred 2018 2017 2018 2017 Trucking $ — $ — $ (587 ) $ — USAT Logistics — — (52 ) — Total $ — $ — $ (639 ) $ —
Restructuring and Related Costs By Segment	The following tables summarize the Company’s liabilities, charges, and cash payments related to executive severance agreements made during the three and nine months ended September 30, 2018 and 2017 (in thousands): Accrued Costs Incurred Payments Expenses/ Charges Accrued Severance costs included in salaries, wages and employee benefits $ 35 $ 711 $ (393 ) $ — $ 353 Three Months Ended Nine Months Ended Costs incurred 2018 2017 2018 2017 Trucking $ — $ 56 $ 484 $ 642 USAT Logistics — 26 227 257 Total $ — $ 82 $ 711 $ 899

Revenue (Details Textual)

Revenue (Details Textual) $ in Millions	9 Months Ended
	Sep. 30, 2018USD ($)segment
Revenue Recognition [Abstract]
Contract asset | $	$ 1.9
Number of reportable segments | segment	2

Revenue - Disaggregation of Rev

Revenue - Disaggregation of Revenue by Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 132,583	$ 114,235	$ 392,977	$ 323,263
Freight
Disaggregation of Revenue [Line Items]
Revenues	113,520	99,881	338,351	282,240
Fuel Surcharge
Disaggregation of Revenue [Line Items]
Revenues	15,982	11,849	46,990	35,011
Accessorial
Disaggregation of Revenue [Line Items]
Revenues	3,081	2,505	7,636	6,012
Trucking
Disaggregation of Revenue [Line Items]
Revenues	85,529	76,450	249,831	218,275
Trucking | Freight
Disaggregation of Revenue [Line Items]
Revenues	71,774	65,869	211,503	187,384
Trucking | Fuel Surcharge
Disaggregation of Revenue [Line Items]
Revenues	11,880	9,540	35,178	27,555
Trucking | Accessorial
Disaggregation of Revenue [Line Items]
Revenues	1,875	1,041	3,150	3,336
USAT Logistics
Disaggregation of Revenue [Line Items]
Revenues	47,054	37,785	143,146	104,988
USAT Logistics | Freight
Disaggregation of Revenue [Line Items]
Revenues	41,746	34,012	126,848	94,856
USAT Logistics | Fuel Surcharge
Disaggregation of Revenue [Line Items]
Revenues	4,102	2,309	11,812	7,456
USAT Logistics | Accessorial
Disaggregation of Revenue [Line Items]
Revenues	$ 1,206	$ 1,464	$ 4,486	$ 2,676

Segment Reporting (Details Text

Segment Reporting (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Sep. 30, 2018USD ($)segment	Sep. 30, 2017USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			2
Revenues	$ 132,583	$ 114,235	$ 392,977	$ 323,263
Trucking
Segment Reporting Information [Line Items]
Revenues	85,529	76,450	249,831	218,275
Operating Segments | Trucking
Segment Reporting Information [Line Items]
Revenues	86,801	76,811	251,332	219,013
Operating Segments | Foreign Countries | Trucking
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0

Segment Reporting Information b

Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Revenues	$ 132,583	$ 114,235	$ 392,977	$ 323,263
Operating loss	5,803	1,804	12,506	(7,561)
Depreciation and amortization	6,735	6,790	21,392	21,313
Trucking
Segment Reporting Information [Line Items]
Revenues	85,529	76,450	249,831	218,275
Trucking | Operating Segments
Segment Reporting Information [Line Items]
Revenues	86,801	76,811	251,332	219,013
Operating loss	2,605	(1,194)	4,294	(13,165)
Depreciation and amortization	6,562	6,659	20,887	20,982
Trucking | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(1,272)	(361)	(1,501)	(738)
USAT Logistics
Segment Reporting Information [Line Items]
Revenues	47,054	37,785	143,146	104,988
USAT Logistics | Operating Segments
Segment Reporting Information [Line Items]
Revenues	49,136	41,907	146,527	111,435
Operating loss	3,198	2,998	8,212	5,604
Depreciation and amortization	173	131	505	331
USAT Logistics | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	$ (2,082)	$ (4,122)	$ (3,381)	$ (6,447)

Equity Compensation and Emplo_2

Equity Compensation and Employee Benefit Plans (Details Textual) - Incentive Plan	9 Months Ended
	Sep. 30, 2018shares
Number of shares authorized	500,000
Number of additional shares authorized	500,000
Number of shares available for grant	591,345,000

Accrued Expenses - Summary of A

Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Salaries, wages and employee benefits	$ 6,145	$ 3,604
Federal and state tax accruals	2,967	3,587
Restructuring, impairment and other costs	0	770
Other	1,380	1,147
Total accrued expenses	$ 10,492	$ 9,108

Insurance Premium Financing (De

Insurance Premium Financing (Details Textual) - USD ($) $ in Thousands	Oct. 01, 2017	Sep. 30, 2018	Dec. 31, 2017
Short-term Debt [Line Items]
Insurance premium financing		$ 0	$ 4,115
Insurance Premiums Financing Note
Short-term Debt [Line Items]
Insurance premium financing	$ 4,100
Periodic payment of interest	$ 1,400

Long-term Debt (Details Textual

Long-term Debt (Details Textual) - USD ($)	Feb. 28, 2015	Feb. 28, 2015	Sep. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Borrowing based threshold for eligible unbilled accounts receivable		85.00%
Remaining borrowing capacity			$ 76,200,000
Weighted average interest rate			3.65%
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 170,000,000	$ 170,000,000
Additional borrowing capacity	$ 80,000,000
Additional borrowing capacity, incremental amount		$ 20,000,000
Debt instrument, term	5 years
Commitment fee percentage		0.25%
Borrowing based threshold eligible investment grade accounts receivable percentage		85.00%
Borrowing base before additions of eligible revenue equipment	$ 10,000,000	$ 10,000,000
Newly acquired revenue equipment, percentage		85.00%
Eligible revenue equipment, percentage		85.00%
Fixed charge coverage ratio		1
Minimum excess availability percentage of maximum revolver amount	10.00%	10.00%
Percentage of maximum revolver amount			20.00%
Remaining borrowing capacity			$ 34,000,000
Long-term line of credit			46,000,000	$ 61,225,000
Letters of credit outstanding, amount			$ 5,400,000
Letter of Credit Sub Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000	$ 15,000,000
Swing Line Sub Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 20,000,000	$ 20,000,000
Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing based threshold eligible investment grade accounts receivable percentage		85.00%
Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing based threshold eligible investment grade accounts receivable percentage		90.00%
Base Rate | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate		0.25%
Base Rate | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
London Interbank Offered Rate (LIBOR) | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate		1.25%
London Interbank Offered Rate (LIBOR) | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%

Long-term Debt - Summary of Lon

Long-term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit agreement	$ 46,000	$ 61,225

Leases and Commitments (Details

Leases and Commitments (Details Textual) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Capital lease obligations	$ 50,300			$ 50,300
Current maturities of capital leases	10,299			10,299		$ 12,929
Capital leases, amortization expense	1,400		$ 1,600	4,200	$ 5,200
Non-cash capitalized lease obligation				19,700	2,800
Operating leases, rent expense	3,300		$ 3,200	8,900	8,700
Proceeds from investing sale leaseback transaction				5,323	$ 10,980
Revenue and Non-revenue Equipment
Purchase obligation	24,400			24,400
Sale-leaseback of Trailers to an Unrelated Party
Proceeds from investing sale leaseback transaction		$ 5,300		5,300
Term of contract		six months
Deferred gain on sale leaseback transaction	$ 1,300			$ 1,300
Minimum
Capital Lease Term				15 months
Maximum
Capital Lease Term				60 months
Maximum | Capital Lease Obligations
Interest rate effective percentage	2.18%			2.18%

Leases and Commitments - Future

Leases and Commitments - Future Minimum Lease Payments (Details) $ in Thousands	Sep. 30, 2018USD ($)
Leases [Abstract]
2,018	$ 2,634
2,019	15,457
2,020	19,266
2,021	3,542
2,022	4,416
Thereafter	9,199
2,018	2,855
2,019	8,277
2,020	4,817
2,021	753
2,022	349
Thereafter	$ 459

Leases and Commitments - Capita

Leases and Commitments - Capital Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Leases [Abstract]
Capitalized Costs	$ 64,551	$ 66,785
Accumulated Amortization	14,691	23,254
Net Book Value	$ 49,860	$ 43,531

Income Taxes (Details Textual)

Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation percent	27.80%	45.30%	26.70%	32.10%
Effective income tax rate reconciliation at federal statutory income tax rate, percent			21.00%

Earnings (Loss) Per Share - Com

Earnings (Loss) Per Share - Computation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Net income (loss)	$ 3,300	$ 409	$ 6,879	$ (7,325)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic earnings (loss) per share – weighted average shares	8,223	8,027	8,170	8,029
Effect of dilutive securities:
Employee restricted stock	17	12	23	0
Denominator for diluted earnings (loss) per share – adjusted weighted average shares and assumed conversion	8,240	8,039	8,193	8,029
Basic earnings (loss) per share (in usd per share)	$ 0.40	$ 0.05	$ 0.84	$ (0.91)
Diluted earnings (loss) per share (in usd per shares)	$ 0.40	$ 0.05	$ 0.84	$ (0.91)
Weighted average anti-dilutive employee restricted stock	106	0	72	2

Restructuring, Impairment and_3

Restructuring, Impairment and Other Costs (Details Textual) - USD ($) $ in Thousands	Mar. 26, 2018	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other costs (reversal)		$ 0	$ 600	$ 0	$ (639)	$ 0
Restructuring charges		$ 0		$ 0	639	$ 0
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 0
Craig's Separation Agreement | Employee Severance
Restructuring Cost and Reserve [Line Items]
Term for base salary continuation					12 months
Time-Vested Restricted Stock
Restructuring Cost and Reserve [Line Items]
Accelerated vesting, number	5,488
Performance-Vested Restricted Stock
Restructuring Cost and Reserve [Line Items]
Accelerated vesting, number	5,488
Salaries, Wages and Employee Benefits | Craig's Separation Agreement | Employee Severance
Restructuring Cost and Reserve [Line Items]
Severance costs					$ 400
Restructuring charges					$ 700

Restructuring, Impairment and_4

Restructuring, Impairment and Other Costs - Restructuring and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Reserve [Roll Forward]
Accrued beginning balance			$ 770
Costs Incurred, Net of Adjustments	$ 0	$ 0	(639)	$ 0
Payments			(131)
Expenses/ Charges			0
Accrued end balance	0		0
Employee Severance
Restructuring Reserve [Roll Forward]
Accrued beginning balance			0
Costs Incurred, Net of Adjustments			0
Payments			0
Expenses/ Charges			0
Accrued end balance	0		0
Executive Severance
Restructuring Reserve [Roll Forward]
Accrued beginning balance			35
Costs Incurred, Net of Adjustments	0	$ (82)	(711)	$ (899)
Payments			(393)
Expenses/ Charges			0
Accrued end balance	353		353
Facility Closing
Restructuring Reserve [Roll Forward]
Accrued beginning balance			770
Costs Incurred, Net of Adjustments			(639)
Payments			(131)
Expenses/ Charges			0
Accrued end balance	$ 0		$ 0

Restructuring, Impairment and_5

Restructuring, Impairment and Other Costs - Restructuring Costs by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Payments			$ (131)
Costs Incurred, Net of Adjustments	$ 0	$ 0	(639)	$ 0
Trucking
Restructuring Cost and Reserve [Line Items]
Costs Incurred, Net of Adjustments	0	0	(587)	0
USAT Logistics
Restructuring Cost and Reserve [Line Items]
Costs Incurred, Net of Adjustments	0	0	(52)	0
Executive Severance
Restructuring Cost and Reserve [Line Items]
Payments			(393)
Costs Incurred, Net of Adjustments	0	(82)	(711)	(899)
Executive Severance | Trucking
Restructuring Cost and Reserve [Line Items]
Costs Incurred, Net of Adjustments	0	(56)	(484)	(642)
Executive Severance | USAT Logistics
Restructuring Cost and Reserve [Line Items]
Costs Incurred, Net of Adjustments	$ 0	$ (26)	$ (227)	$ (257)

Subsequent Event (Details)

Subsequent Event (Details) - USD ($)	Oct. 18, 2018	Sep. 30, 2018
Subsequent Event [Line Items]
Remaining borrowing capacity		$ 76,200,000
Subsequent Event | Equity Purchase Agreement
Subsequent Event [Line Items]
Cash paid for acquisition	$ 52,250,000
Consideration transferred	750,000
Line of Credit | Subsequent Event
Subsequent Event [Line Items]
Remaining borrowing capacity	$ 44,300,000