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Acquisition of patents (Tables)
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12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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May 31, 2013
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| Intangible Assets |
The following presents intangible assets as of May 31, 2013:
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| X | ||||||||||
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- Definition
Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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