Fair Value Measurement (Details 1) (USD $)
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May 31, 2013
Fair Value Measurements Fair Value Hierarchy [Domain]
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Nov. 30, 2012
Fair Value Measurements Fair Value Hierarchy [Domain]
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May 31, 2013
Quoted market price in active market (Level 1) [Member]
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Nov. 30, 2012
Quoted market price in active market (Level 1) [Member]
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May 31, 2013
Quoted market price in active market (Level 2) [Member]
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Nov. 30, 2012
Quoted market price in active market (Level 2) [Member]
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May 31, 2013
Corporate Obligations [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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Nov. 30, 2012
Corporate Obligations [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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May 31, 2013
Corporate Obligations [Member]
Quoted market price in active market (Level 1) [Member]
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Nov. 30, 2012
Corporate Obligations [Member]
Quoted market price in active market (Level 1) [Member]
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May 31, 2013
Corporate Obligations [Member]
Quoted market price in active market (Level 2) [Member]
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Nov. 30, 2012
Corporate Obligations [Member]
Quoted market price in active market (Level 2) [Member]
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Feb. 28, 2013
Limited Partnership [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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Nov. 30, 2012
Limited Partnership [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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May 31, 2013
Limited Partnership [Member]
Quoted market price in active market (Level 1) [Member]
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Nov. 30, 2012
Limited Partnership [Member]
Quoted market price in active market (Level 1) [Member]
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May 31, 2013
Limited Partnership [Member]
Quoted market price in active market (Level 2) [Member]
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Nov. 30, 2012
Limited Partnership [Member]
Quoted market price in active market (Level 2) [Member]
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May 31, 2013
Common Stock [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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Nov. 30, 2012
Common Stock [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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May 31, 2013
Common Stock [Member]
Quoted market price in active market (Level 1) [Member]
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Nov. 30, 2012
Common Stock [Member]
Quoted market price in active market (Level 1) [Member]
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May 31, 2013
Common Stock [Member]
Quoted market price in active market (Level 2) [Member]
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Nov. 30, 2012
Common Stock [Member]
Quoted market price in active market (Level 2) [Member]
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May 31, 2013
Fixed Income Securities [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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Nov. 30, 2012
Fixed Income Securities [Member]
Fair Value Measurements Fair Value Hierarchy [Domain]
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May 31, 2013
Fixed Income Securities [Member]
Quoted market price in active market (Level 1) [Member]
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Nov. 30, 2012
Fixed Income Securities [Member]
Quoted market price in active market (Level 1) [Member]
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May 31, 2013
Fixed Income Securities [Member]
Quoted market price in active market (Level 2) [Member]
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Schedule of fair Value of securities | |||||||||||||||||||||||||||||
Available-for-sale securities | $ 2,174,025 | $ 2,283,772 | $ 1,424,145 | $ 1,287,945 | $ 749,880 | $ 995,827 | $ 749,880 | $ 995,827 | $ 0 | $ 0 | $ 749,880 | $ 995,827 | $ 336,345 | $ 292,680 | $ 336,345 | $ 292,680 | $ 0 | $ 0 | $ 684,835 | $ 595,626 | $ 684,835 | $ 595,626 | $ 0 | $ 0 | $ 402,965 | $ 399,639 | $ 402,965 | $ 399,639 | $ 0 |