Federal Income Taxes - Summary of Net Operating Loss for Federal Income Tax (Details)	12 Months Ended
	May 31, 2017 USD ($)
Cumulative Through May 31, 2005 [Member]
NOL Carryforward	$ 1,800,000
Cumulative Through May 31, 2005 [Member] | Minimum [Member]
Year Expiring	2018
Cumulative Through May 31, 2005 [Member] | Maximum [Member]
Year Expiring	2025
Year Ended May 31, 2006 [Member]
NOL Carryforward	$ 73,284
Year Expiring	2026
Year Ended May 31, 2007 [Member]
NOL Carryforward	$ 2,151,837
Year Expiring	2027
Year Ended May 31, 2011 [Member]
NOL Carryforward	$ 746,484
Year Expiring	2031
Year Ended May 31, 2015 [Member]
NOL Carryforward	$ 321,625
Year Expiring	2035
Year Ended May 31, 2016 [Member]
NOL Carryforward	$ 1,060,747
Year Expiring	2036