Note 3 - Share-Based Compensation	3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	NOTE 3 – SHARE-BASED COMPENSATION In May 2014, the Company’s stockholders approved the USA Truck, Inc. 2014 Omnibus Incentive Plan (the “Incentive Plan”). The Incentive Plan provides for the granting of incentive or nonqualified options or other equity-based awards covering up to 500,000 shares of common stock to directors, officers and other key employees and consultants. At March 31, 2015, 396,053 shares were available for future options or other equity awards under the Incentive Plan. In January 2015, the Executive Compensation Committee approved a Long Term Incentive Plan (the “2015 LTIP”) under which participants, including executives and other key management personnel, are eligible to receive long-term equity awards in the form of restricted stock. In January 2015, the 2015 LTIP participants received grants of restricted stock, a portion of which are subject to time-based vesting, in 25% increments over four years beginning on the first anniversary of the grant date, and a portion of which are subject to performance-based vesting upon achievement of certain levels of return on invested capital over a three-year performance period. In March 2015, the Executive Compensation Committee approved a Management Bonus Plan (the “2015 Bonus Plan”), pursuant to which members of senior management are eligible to receive incremental cash bonuses upon achievement of certain performance targets. For certain members of senior management, excluding the Company’s President and Chief Executive Officer, one-half of the cash bonus opportunity depends on achievement of consolidated Company goals, and one-half of the cash bonus opportunity depends on achievement of departmental or individual goals established by the President and Chief Executive Officer. For the President and Chief Executive Officer, the cash bonus opportunity depends on the achievement of consolidated Company goals.

Note 3 - Share-Based Compensation

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

NOTE 3 – SHARE-BASED COMPENSATION

In May 2014, the Company’s stockholders approved the USA Truck, Inc. 2014 Omnibus Incentive Plan (the “Incentive Plan”). The Incentive Plan provides for the granting of incentive or nonqualified options or other equity-based awards covering up to 500,000 shares of common stock to directors, officers and other key employees and consultants. At March 31, 2015, 396,053 shares were available for future options or other equity awards under the Incentive Plan.

In January 2015, the Executive Compensation Committee approved a Long Term Incentive Plan (the “2015 LTIP”) under which participants, including executives and other key management personnel, are eligible to receive long-term equity awards in the form of restricted stock. In January 2015, the 2015 LTIP participants received grants of restricted stock, a portion of which are subject to time-based vesting, in 25% increments over four years beginning on the first anniversary of the grant date, and a portion of which are subject to performance-based vesting upon achievement of certain levels of return on invested capital over a three-year performance period.

In March 2015, the Executive Compensation Committee approved a Management Bonus Plan (the “2015 Bonus Plan”), pursuant to which members of senior management are eligible to receive incremental cash bonuses upon achievement of certain performance targets. For certain members of senior management, excluding the Company’s President and Chief Executive Officer, one-half of the cash bonus opportunity depends on achievement of consolidated Company goals, and one-half of the cash bonus opportunity depends on achievement of departmental or individual goals established by the President and Chief Executive Officer. For the President and Chief Executive Officer, the cash bonus opportunity depends on the achievement of consolidated Company goals.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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