Note 8 - Other Intangible Assets, Net (Tables)

6 Months Ended

Nov. 30, 2015

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

			As of
			November 30, 2015							May 31, 2015
	Weighted Average Life (years)		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Other intangible assets subject to amortization:
Customer relationships		19	$	460,945		(97,314	)		363,631		462,534		(86,052	)		376,482
Existing technology / trade names		11		315,004		(113,744	)		201,260		314,850		(99,565	)		215,285
Corporate trade name		15		40,000		(11,421	)		28,579		40,000		(10,088	)		29,912
Below market leasehold interests		7		1,200		(594	)		606		1,200		(557	)		643
Other intangibles		4		428		(209	)		219		428		(156	)		272
Total amortizable assets				817,577		(223,282	)		594,295		819,012		(196,418	)		622,594
Intangible assets not subject to amortization:
In-process research and development				27,700		-			27,700		27,700		-			27,700
Total non-amortizable assets				27,700		-			27,700		27,700		-			27,700
Other intangible assets, net			$	845,277		(223,282	)		621,995		846,712		(196,418	)		650,294

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year Ending May 31:
2016	$	27,203
2017		54,250
2018		54,136
2019		50,212
2020		49,104
2021		49,078