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Other intangible assets with definite lives (Tables)

3 Months Ended

Apr. 30, 2015

Other intangible assets with definite lives [Abstract]

Patent amortization expense [Table Text Block]

	Three Months Ended April 30,
	2015			2014
Patent amortization expense		$13			$13

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- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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