Organization	6 Months Ended
Jul. 31, 2011
Organization [Abstract]
Organization	2. Organization The Company was incorporated in Texas in 1987. The Company, through its wholly owned Canadian subsidiaries, Mitcham Canada, Ltd. (“MCL”) and Absolute Equipment Solutions, Inc. (“AES”), its wholly owned Russian subsidiary, Mitcham Seismic Eurasia LLC (“MSE”) and its branch operations in Colombia and Peru, provides full-service equipment leasing, sales and service to the seismic industry worldwide. The Company, through its wholly owned Australian subsidiary, Seismic Asia Pacific Pty Ltd. (“SAP”), provides seismic, oceanographic and hydrographic leasing and sales worldwide, primarily in Southeast Asia and Australia. The Company, through its wholly owned subsidiary, Seamap International Holdings Pte, Ltd. (“Seamap”), designs, manufactures and sells a broad range of proprietary products for the seismic, hydrographic and offshore industries with product sales and support facilities based in Huntsville, Texas, Singapore and the United Kingdom. All material intercompany transactions and balances have been eliminated in consolidation.

2. Organization

The Company was incorporated in Texas in 1987. The Company, through its wholly owned Canadian subsidiaries, Mitcham Canada, Ltd. (“MCL”) and Absolute Equipment Solutions, Inc. (“AES”), its wholly owned Russian subsidiary, Mitcham Seismic Eurasia LLC (“MSE”) and its branch operations in Colombia and Peru, provides full-service equipment leasing, sales and service to the seismic industry worldwide. The Company, through its wholly owned Australian subsidiary, Seismic Asia Pacific Pty Ltd. (“SAP”), provides seismic, oceanographic and hydrographic leasing and sales worldwide, primarily in Southeast Asia and Australia. The Company, through its wholly owned subsidiary, Seamap International Holdings Pte, Ltd. (“Seamap”), designs, manufactures and sells a broad range of proprietary products for the seismic, hydrographic and offshore industries with product sales and support facilities based in Huntsville, Texas, Singapore and the United Kingdom. All material intercompany transactions and balances have been eliminated in consolidation.