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Fair Value of Other Securities (Details 1) (USD $)
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3 Months Ended | |||||||
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Jun. 30, 2013
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May 31, 2012
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Dec. 31, 2012
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Nov. 30, 2011
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| Fair Value Disclosures [Abstract] | ||||||||
| changes in Unrealized Gain Loss on Assets Held and Realized and Unrealized Gain Loss on Other Equity Securities Included In Income | $ 2,087,251 | [1] | $ 12,906,601 | [1] | ||||
| The changes for all Level 3 assets measured at fair value on a recurring basis using significant unobservable inputs | ||||||||
| Fair value beginning balance | 53,314,589 | 19,707,126 | 41,856,730 | |||||
| Total realized and unrealized gains included in net income | 2,087,251 | 12,906,601 | ||||||
| Return of capital adjustments impacting cost basis of securities | (554,442) | (1,448,742) | ||||||
| Fair value ending balance | $ 21,239,935 | $ 19,707,126 | $ 41,856,730 | |||||
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| X | ||||||||||
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- Definition
Changes in Unrealized Gain (Loss) on Assets Held and Realized and Unrealized Gain Loss on Other Equity Securities Included In Income on investments still held No definition available.
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| X | ||||||||||
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- Definition
Fair value measurement with unobservable inputs reconciliation recurring basis asset return of capital adjustments. No definition available.
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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