Goodwill and Other Intangible Assets

6 Months Ended

Jul. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

6. Goodwill and Other Intangible Assets


	Weighted
	Average		July 31, 2011							January 31, 2011
	Remaining		Gross					Net		Gross					Net
	Life at		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	07/31/11		Amount		Amortization			Amount		Amount		Amortization			Amount
					(in thousands)							(in thousands)
Goodwill			$	4,320						$	4,320


Proprietary rights		8.9	$	3,607	$	(1,239	)	$	2,368	$	3,523	$	(1,101	)	$	2,422
Customer relationships		6.6		2,516		(446	)		2,070		2,396		(274	)		2,122
Patents		6.6		758		(134	)		624		721		(82	)		639
Trade name		6.6		206		(37	)		169		197		(22	)		175

Amortizable intangible assets			$	7,087	$	(1,856	)	$	5,231	$	6,837	$	(1,479	)	$	5,358

As of July 31, 2011, the Company had goodwill of $4,320,000, all of which was allocated to the Seamap segment. No impairment has been recorded against the goodwill account.

Amortizable intangible assets are amortized over their estimated useful lives of eight to 15 years using the straight-line method. Aggregate amortization expense was $167,000 and $164,000 for the three months ended July 31, 2011 and 2010, respectively and $339,000 and $295,000 for the six months ended July 31, 2011 and 2010, respectively. As of July 31, 2011, future estimated amortization expense related to amortizable intangible assets was estimated to be:


For fiscal years ending January 31 (in thousands):
2012	$	349
2013		699
2014		699
2015		699
2016		699
2017 and thereafter		2,086

Total	$	5,231

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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