. Commitments and Contingencies In the ordinary course of business, the Company is a defendant in several legal proceedings arising out of the conduct of its business. These proceedings include claims for property damage or personal injury incurred in connection with the Companys services. Although there can be no assurance as to the ultimate disposition of these proceedings, the Company does not believe, based upon the information available at this time, that these property damage or personal injury claims, in the aggregate, will have a material impact on its consolidated financial statements. The Company maintains an aggregate of $100 million of auto liability and general liability insurance. The Company maintains auto liability insurance coverage for claims in excess of $1.0 million per occurrence and cargo coverage for claims in excess of $100,000 per occurrence. The Company is self-insured up to $1.0 million for workers compensation. The Company believes it has adequate insurance to cover losses in excess of the self-insured and deductible amounts. As of March 31, 2018 and December 31, 2017 , the Company had reserves for estimated uninsured losses of $30.2 million and $28.4 million , respectively, included in accrued expenses and other current liabilities. Jeffrey Cox and David Chidester filed a Complaint against certain of the Companys subsidiaries in state court in California in a post-acquisition dispute. The Complaint alleges contract, statutory and tort based claims arising out of the Stock Purchase Agreement, dated November 2, 2012, between the defendants, as buyers, and the plaintiffs, as sellers, for the purchase of the shares of Central Cal Transportation, Inc. and Double C Transportation, Inc. (the Central Cal Agreement). The plaintiffs claim that a contingent purchase obligation payment is due and owing pursuant to the Central Cal Agreement, and that defendants have furnished fraudulent calculations to the plaintiffs to avoid payment. The plaintiffs also claim violations of Californias Labor