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Investments - Additional Information (Detail) (USD $) | Dec. 31, 2013 | Jun. 30, 2013
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Fair Value Disclosures [Abstract] |  |
Fair value of investments held | $ 25,984,437 | $ 13,811,331
Cost basis of investments held | 25,547,806 | 13,522,891
Market value of investments to Company's total assets | 69.70% |
Government Fund | Mutual funds |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Amount as of conversion date held in trading mutual fund | $ 14,118,943 |

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