Legal Proceedings — The Company is subject to legal proceedings and claims which have arisen in the ordinary course of business and have not been fully adjudicated. These actions, when ultimately concluded and determined, will not, in the opinion of management, have a material adverse effect upon the consolidated financial position, results of operations, or cash flows of the Company.

Leases — The Company leases certain office space and other facilities under operating leases expiring through 2021. Certain of these leases contain renewal options.

Future minimum lease payments under non-cancelable operating leases for office space as of June 30, 2017 are as follows:

Total rental expense, included in direct operating costs and general and administrative expense in the condensed consolidated statements of operations, amounted to approximately $453,000 and $379,000 for the six months ended June 30, 2017 and 2016, respectively, and $224,000 and $194,000 for the three months ended June 30, 2017 and 2016, respectively.

Acquisitions — In connection with some of the Company’s acquisitions, contingent consideration as of June 30, 2017 is payable in the form of cash with payment terms through 2019. Depending on the terms of the agreement, if the performance measures are not achieved, the Company may pay less than the recorded amount, and if the performance measures are exceeded, the Company may pay more than the recorded amount.