Stock-Based Compensation - Summary of Bonus Consisting of Cash and Shares of Beneficial Interest (Details) - USD ($)	Jul. 31, 2017	Jan. 31, 2017
Pamela J. Barnhill [Member]
Shares of Beneficial Interest, Cash		$ 5,000
Shares of Beneficial Interest, Equity		3,000
Pamela J. Barnhill [Member] | February 1, 2017 through May 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 5,000
Shares of Beneficial Interest, Equity	3,000
Pamela J. Barnhill [Member] | June 1, 2017 through December 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 10,000
Shares of Beneficial Interest, Equity	4,000
Pamela J. Barnhill [Member] | 2017 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 25,000
Shares of Beneficial Interest, Equity	10,000
Pamela J. Barnhill [Member] | 2018 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 25,000
Shares of Beneficial Interest, Equity	10,000
Pamela J. Barnhill [Member] | Target GOP [Member]
Shares of Beneficial Interest, Cash	$ 10,000
Shares of Beneficial Interest, Equity	10,000
Marc E. Berg [Member]
Shares of Beneficial Interest, Cash		$ 1,000
Shares of Beneficial Interest, Equity		750
Marc E. Berg [Member] | February 1, 2017 through May 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 1,000
Shares of Beneficial Interest, Equity	750
Marc E. Berg [Member] | June 1, 2017 through December 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 2,000
Shares of Beneficial Interest, Equity	1,000
Marc E. Berg [Member] | 2017 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 5,000
Shares of Beneficial Interest, Equity	2,500
Marc E. Berg [Member] | 2018 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 5,000
Shares of Beneficial Interest, Equity	2,500
Marc E. Berg [Member] | Target GOP [Member]
Shares of Beneficial Interest, Cash	$ 2,500
Shares of Beneficial Interest, Equity	2,500
Adam B. Remis [Member]
Shares of Beneficial Interest, Cash		$ 2,000
Shares of Beneficial Interest, Equity		1,500
Adam B. Remis [Member] | February 1, 2017 through May 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 2,000
Shares of Beneficial Interest, Equity	1,500
Adam B. Remis [Member] | June 1, 2017 through December 31, 2017 [Member]
Shares of Beneficial Interest, Cash	$ 4,000
Shares of Beneficial Interest, Equity	2,000
Adam B. Remis [Member] | 2017 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 10,000
Shares of Beneficial Interest, Equity	5,000
Adam B. Remis [Member] | 2018 Fiscal Year Bonus Program [Member]
Shares of Beneficial Interest, Cash	$ 10,000
Shares of Beneficial Interest, Equity	5,000
Adam B. Remis [Member] | Target GOP [Member]
Shares of Beneficial Interest, Cash	$ 5,000
Shares of Beneficial Interest, Equity	5,000