Note 9 - Other Intangible Assets, Net (Tables)

9 Months Ended

Feb. 29, 2016

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

			As of
			February 29, 2016							May 31, 2015
	Weighted Average Life (years)		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Other intangible assets subject to amortization:
Customer relationships		19	$	461,491		(103,219	)		358,272		462,534		(86,052	)		376,482
Existing technology / trade names		11		315,004		(120,838	)		194,166		314,850		(99,565	)		215,285
Corporate trade name		15		40,000		(12,088	)		27,912		40,000		(10,088	)		29,912
Below market leasehold interests		7		1,200		(612	)		588		1,200		(557	)		643
Other intangibles		4		429		(235	)		194		428		(156	)		272
Total amortizable assets				818,124		(236,992	)		581,132		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			$	845,824		(236,992	)		608,832		846,712		(196,418	)		650,294

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

Year Ending May 31:
2016	$	13,597
2017		54,231
2018		54,117
2019		50,193
2020		49,086
2021		49,059