Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Summary of License Fees Earned (Detail)

v2.4.0.8
License Agreements - Summary of License Fees Earned (Detail) (USD $)
3 Months Ended 9 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2013
Aug. 31, 2012
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]
       
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]
       
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]
       
License Agreements [Line Items]        
License Fee   25,000   25,000
Total   25,000   25,000
Nicaragua [Member]
       
License Agreements [Line Items]        
License Fee   5,000   20,000
Total   $ 5,000   $ 20,000