Federal Income Taxes - Summary of Deferred Taxes (Details) - USD ($)	May 31, 2016	May 31, 2015
Income Tax Disclosure [Abstract]
Net operating loss carryforward	$ 2,288,919	$ 1,892,673
Stock compensation costs	25,346	21,632
Allowance for doubtful accounts	4,508	4,508
Other	24,001	13,429
Total deferred tax asset	2,342,774	1,932,242
Depreciation and amortization, tax reporting in excess of financial	(1,059,092)	(153,005)
Net deferred tax asset	$ 1,283,682	$ 1,779,237