Quarterly report pursuant to Section 13 or 15(d)

Related Party Agreements (Details Textual)

v3.8.0.1
Related Party Agreements (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Feb. 17, 2015
Mar. 31, 2018
Mar. 31, 2017
Service Agreement Expenses   $ 0.1 $ 0.1
Asset Management Income [Member]      
Annual Consulting Fee $ 0.5    
Increase In Annual Consulting Fee 1.0    
Excess In Net Assets Value $ 100.0