Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

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Income Taxes (Details Textual) (USD $)
 3 Months Ended 9 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2012
Nov. 30, 2011
Income Taxes (Textual) [Abstract]        
uncertain tax positions $ 0   $ 0  
penalties and interest 0   0  
Federal statutory income tax rate 35.00%   35.00%  
Federal and State income tax rate 37.26% 37.62%    
Net operating loss for federal income tax purposes       7,387,000
Net operating loss carry forward period     20 years  
Net operating loss expiring on November 30, 2028 if not utilized 8,000   8,000  
Net operating loss expiring on November 30, 2029 if not utilized 4,002,000   4,002,000  
Net operating loss expiring on November 30, 2030 if not utilized 3,353,000   3,353,000  
Net operating loss expiring on November 30, 2031 if not utilized 24,000   24,000  
Expiration date for $8000 of net operating loss if not utilized     Nov. 30, 2028  
Expiration date for $4002000 of net operating loss if not utilized     Nov. 30, 2029  
Expiration date for $3353000 of net operating loss if not utilized     Nov. 30, 2030  
Expiration date for $24000 of net operating loss if not utilized     Nov. 30, 2031  
Alternative minimum tax credit       $ 194,267