Investments - Schedule of Investments (Detail) - USD ($)		9 Months Ended	12 Months Ended
		Sep. 30, 2015	Dec. 31, 2014
Schedule of Investments [Line Items]
Amortized Cost		$ 93,018,379	$ 53,447,442
Fair Value		$ 93,018,379	$ 53,447,442
Percentage of Total		100.00%	100.00%
Senior Secured Term Loan Participations [Member]
Schedule of Investments [Line Items]
Amortized Cost	[1]	$ 18,476,826	$ 5,750,000
Fair Value	[1]	$ 18,476,826	$ 5,750,000
Percentage of Total		19.90%	10.80%
Senior Secured Trade Finance Participations [Member]
Schedule of Investments [Line Items]
Amortized Cost	[1]	$ 74,541,553	$ 47,697,442
Fair Value	[1]	$ 74,541,553	$ 47,697,442
Percentage of Total		80.10%	89.20%

[1] Refer to Notes 3 and 4 of the consolidated financial statements for additional information on the Company’s investments.