Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail)

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Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Related Party Transactions [Abstract]    
Management fee due to Adviser $ 25,136 $ 46,710
Incentive fee due from Adviser (41,037)  
Other due to Adviser 27,154 2,934
Total due to Adviser 11,253 49,644
Administration fee due to Administrator 57,508 55,138
Other due to Administrator 5,355  
Total due to Administrator 62,863 55,138
Total due to related parties $ 74,116 $ 104,782