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Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail) - USD ($) | Mar. 31, 2016 | Dec. 31, 2015
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Related Party Transactions [Abstract] |  |  |
Management fee due to Adviser |  | $ 387,154 | $ 362,373
Other due to Adviser |  | 29,407 | 13,140
Total due to Adviser |  | 416,561 | 375,513
Administration fee due to Administrator |  | 211,860 | 190,080
Total due to Administrator |  | 211,860 | 190,080
Total due to related parties | [1] | $ 628,421 | $ 565,593
[1] | Refer to Note 4, "Related-Party Transactions," for additional information.

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