Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Summary of Management Fees, Incentive Fees and Associated Credits and Administration Fees (Detail)

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Related-Party Transactions - Summary of Management Fees, Incentive Fees and Associated Credits and Administration Fees (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Management Fee:        
Allocated payroll and benefits       $ 38,668
Allocated overhead expenses       7,538
Prior management advisory fee       46,206
Amended base management fee 300,552 19,485 778,047 57,580
Total management fee 300,552 [1] 19,485 [1] 778,047 [1] 103,786 [1]
Incentive Fee:        
Incentive fee       41,037 [1]
Credit from voluntary, irrevocable waiver by Adviser's board of directors       (41,037)
Net incentive fee            
Administration Fee:        
Allocated payroll and benefits       14,034
Allocated overhead expenses       4,498
Prior administration fee       18,532
Amended administration fee 144,952 39,562 276,157 116,870
Total administration fee $ 144,952 [1] $ 39,562 [1] $ 276,157 [1] $ 135,402 [1]
[1] Refer to Note 4, "Related-Party Transactions," for additional information