Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details Textual)

v2.4.0.6
Significant Accounting Policies (Details Textual) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2012
Company
Aug. 31, 2011
Aug. 31, 2012
Company
Aug. 31, 2011
Nov. 30, 2011
Significant Accounting Policies (Additional Textual) [Abstract]          
Number of portfolio companies for valuation procedures 2   2    
Estimated percentage of income allocated to investment income     2.00%    
Estimated percentage of income allocated to distributions received from investment securities     98.00%    
Percentage of qualified dividend income included in the distribution of company's tax         100.00%
Federal income tax rate for a corporation 35.00%   35.00%    
Percentage of federal alternative minimum tax     20.00%    
Net distributions and dividend income on securities     $ 95,000   $ 448,000
Net distributions and dividend income on securities, per share     $ 0.01   $ 0.05
Net distributions and dividend income on securities, Net of Deferred Tax     60,000   281,000
Distributions and dividend income on securities per share net of deferred tax     $ 0.007   $ 0.03
Realized and unrealized gains on other equity securities     95,000   448,000
Realized and unrealized gains on other equity securities, per share     $ 0.01   $ 0.05
Deferred tax expense $ 2,769,520 $ 482,040 $ 7,415,596 $ 1,573,028 $ 281,000
Deferred tax expense, per share     $ 0.007   $ 0.03
Estimate of Fair Value, Fair Value Disclosure [Member]
         
Significant Accounting Policies (Textual) [Abstract]          
Percentage of Aggregate Fair Value of Other Equity Securities as Valued by Independent Valuation Firm 100.00%   100.00%    
Maximum [Member]
         
Significant Accounting Policies (Textual) [Abstract]          
Estimated useful lives of assets     20 years    
Minimum [Member]
         
Significant Accounting Policies (Textual) [Abstract]          
Estimated useful lives of assets     5 years