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Other intangible assets with definite lives (Tables)

6 Months Ended

Jul. 31, 2015

Other intangible assets with definite lives [Abstract]

Patent amortization expense [Table Text Block]

	Three Months Ended July 31,						Six Months Ended July 31,
	2015			2014			2015			2014
Patent amortization expense		$13			$13			$26			$26

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- Definition

Other intangible assets with definite lives [Abstract]

+ References

No definition available.

+ Details

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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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