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ORGANIZATION AND NATURE OF OPERATIONS	6 Months Ended
ORGANIZATION AND NATURE OF OPERATIONS	Mar. 31, 2013
ORGANIZATION AND NATURE OF OPERATIONS	1. ORGANIZATION AND NATURE OF OPERATIONS Founded in 1952, the Company acquires and processes 2-D, 3-D and multi-component seismic data for its clients, ranging from major oil and gas companies to independent oil and gas operators as well as providers of multi-client data libraries.