Description of the Company and Basis of Financial Statement Presentation

12 Months Ended

Dec. 31, 2015

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Description of the Company and Basis of Financial Statement Presentation

1. Description of the Company and Basis of Financial Statement Presentation

Description of the Company Alliance HealthCare Services, Inc. and its subsidiaries (the “Company”) is a leading national provider of outsourced healthcare services to hospitals and providers. The Company also operates freestanding outpatient radiology, oncology and interventional healthcare clinics and Ambulatory Surgical Centers (“ASC”) that are not owned by hospitals or providers. Diagnostic radiology services are delivered through the Radiology Division (Alliance HealthCare Radiology), radiation oncology services are delivered through the Oncology Division (Alliance Oncology, LLC), and interventional healthcare and pain management services are delivered through the Interventional HealthCare Services Division (Alliance HealthCare Interventional Partners, LLC). The Company is the nation’s largest provider of advanced diagnostic mobile radiology services, an industry-leading operator of fixed-site radiology centers, and a leading provider of stereotactic radiosurgery nationwide. As of December 31, 2015, the Company operated 563 diagnostic imaging and radiation therapy systems, including 116 fixed-site imaging centers across the country and 32 radiation therapy centers and stereotactic radiosurgery (“SRS”) facilities. With a strategy of partnering with hospitals, health systems and physician practices, the Company provides quality healthcare services for over 1,000 hospitals and healthcare partners in 45 states where approximately 2,430 Alliance Team Members are committed to providing exceptional patient care and exceeding customer expectations. The Company was incorporated in the state of Delaware on May 27, 1987.

Principles of Consolidation and Basis of Financial Statement Presentation The accompanying audited consolidated financial statements of the Company include the assets, liabilities, revenues and expenses of all subsidiaries over which the Company exercises control. Intercompany transactions have been eliminated. The Company evaluates participating rights in its assessment of control in determining consolidation of joint venture partners. The Company records noncontrolling interest related to its consolidated subsidiaries that are not wholly owned. Investments in non-consolidated investees over which it exercises significant influence but does not control are accounted for under the equity method. The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“generally accepted accounting principles", or "GAAP").