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Fair Value of Other Securities (Details 1) (USD $)
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3 Months Ended | |||||||||
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Sep. 30, 2013
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Jun. 30, 2013
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Aug. 31, 2012
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Dec. 31, 2012
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Feb. 29, 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 | $ 3,509,432 | [1] | $ (355,223) | [1] | ||||||
| The changes for all Level 3 assets measured at fair value on a recurring basis using significant unobservable inputs | ||||||||||
| Fair value beginning balance | 19,707,126 | 19,529,783 | 41,856,730 | |||||||
| Total realized and unrealized gains included in net income | 3,509,432 | 15,467,845 | ||||||||
| Sales | 0 | (35,919,672) | ||||||||
| Return of capital adjustments impacting cost basis of securities | (1,048,290) | (1,875,120) | ||||||||
| Fair value ending balance | $ 22,168,268 | $ 19,707,126 | $ 19,529,783 | $ 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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| X | ||||||||||
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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
Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. 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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