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Subsequent Events	6 Months Ended
Subsequent Events	Jul. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In August 2018, the Company completed the sale of its wholly owned Russian subsidiary, Mitcham Seismic Eurasia LLC (“MSE”) for proceeds of approximately $1.0 million U.S. dollars. The proceeds approximate the book value of MSE’s net assets. As a result, management does not believe the transaction will have a material effect on the Company's results of operations.