Acquisition	12 Months Ended
Jan. 31, 2015
Business Combinations [Abstract]
Acquisition	3. Acquisition In May 2014, the Company’s wholly-owned subsidiary, Seamap Pte Ltd (“Seamap Singapore”), purchased two product lines from ION Geophysical Corporation (“ION”) for $14.5 million in cash and a credit of $2.0 million against future sales or rentals. These product lines consist of the Digishot^® energy source controller and the Sleeve Gun energy sources, collectively the “ION Source Products”. The Company made this acquisition to expand the product offerings available to customers, gain access to additional technology and expand the markets in which it operates. The Company accounted for this transaction as a business combination and these operations are included in the Seamap segment. Based on an independent valuation study, the fair value of the consideration was determined to be approximately $15.6 million and was allocated as follows: $10.0 million to amortizable intangible assets (including customer relationships of $5.1 million, property rights of $2.9 million and patents of $2.0 million), $3.6 million to inventory, $1.4 million to goodwill and $600,000 to furniture and fixtures. The goodwill is not deductible for tax purposes. Pro forma results of operations have not been presented as the business combination was not significant.

Acquisition

12 Months Ended

Jan. 31, 2015

3. Acquisition

In May 2014, the Company’s wholly-owned subsidiary, Seamap Pte Ltd (“Seamap Singapore”), purchased two product lines from ION Geophysical Corporation (“ION”) for $14.5 million in cash and a credit of $2.0 million against future sales or rentals. These product lines consist of the Digishot^® energy source controller and the Sleeve Gun energy sources, collectively the “ION Source Products”. The Company made this acquisition to expand the product offerings available to customers, gain access to additional technology and expand the markets in which it operates. The Company accounted for this transaction as a business combination and these operations are included in the Seamap segment. Based on an independent valuation study, the fair value of the consideration was determined to be approximately $15.6 million and was allocated as follows: $10.0 million to amortizable intangible assets (including customer relationships of $5.1 million, property rights of $2.9 million and patents of $2.0 million), $3.6 million to inventory, $1.4 million to goodwill and $600,000 to furniture and fixtures. The goodwill is not deductible for tax purposes. Pro forma results of operations have not been presented as the business combination was not significant.