License Agreements - Summary of License Fees Earned (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Aug. 31, 2013
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Aug. 31, 2012
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Aug. 31, 2013
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Aug. 31, 2012
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License Agreements [Line Items] | ||||
License Fee | $ 30,000 | $ 45,000 | ||
Process and Storage Royalties | 323,816 | 326,381 | 975,580 | 972,256 |
Total | 323,816 | 356,381 | 975,580 | 1,017,256 |
India [Member]
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License Agreements [Line Items] | ||||
Process and Storage Royalties | 169,411 | 169,412 | 508,235 | 508,235 |
Total | 169,411 | 169,412 | 508,235 | 508,235 |
Mexico [Member]
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License Agreements [Line Items] | ||||
Process and Storage Royalties | 154,405 | 156,969 | 467,345 | 464,021 |
Total | 154,405 | 156,969 | 467,345 | 464,021 |
Costa Rica [Member]
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License Agreements [Line Items] | ||||
License Fee | 25,000 | 25,000 | ||
Total | 25,000 | 25,000 | ||
Nicaragua [Member]
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License Agreements [Line Items] | ||||
License Fee | 5,000 | 20,000 | ||
Total | $ 5,000 | $ 20,000 |