Income Taxes (Details 2) - USD ($)	May 31, 2017	May 31, 2016
Schedule of deferred income tax assets
Allowance for doubtful accounts receivable	$ 75,000	$ 78,000
Accrued compensation and other accrued expenses	38,000	50,000
Net operating loss carryforward		10,000
Equipment and leasehold improvement depreciation and amortization	(4,000)	(6,000)
Acquired client relationships	2,000	2,000
Unrealized gain	(5,000)	(3,000)
Total deferred income tax assets	$ 106,000	$ 131,000