Litigation	12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Litigation	NOTE 14. LITIGATION USA Truck 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 it is the opinion of management that these claims are 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 consolidated financial statements in any given reporting period.

Litigation

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

NOTE 14. LITIGATION

USA Truck 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 it is the opinion of management that these claims are 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 consolidated financial statements in any given reporting period.