Note 8 - Other Intangible Assets, Net (Tables)

6 Months Ended

Nov. 30, 2016

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

			As of
			November 30, 2016							May 31, 2016
	Weighted Average Life (years)		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Other intangible assets subject to amortization:
Customer relationships		20	$	460,483		(120,286	)		340,197		462,602		(109,260	)		353,342
Existing technology / trade names		12		355,604		(143,854	)		211,750		355,604		(128,530	)		227,074
Corporate trade name		15		40,000		(14,088	)		25,912		40,000		(12,754	)		27,246
Below market leasehold interests		4		1,200		(667	)		533		1,200		(631	)		569
Other intangibles		4		428		(315	)		113		428		(262	)		166
Total amortizable assets				857,715		(279,210	)		578,505		859,834		(251,437	)		608,397
Intangible assets not subject to amortization:
In-process research and development				24,700		-			24,700		24,700		-			24,700
Total non-amortizable assets				24,700		-			24,700		24,700		-			24,700
Other intangible assets, net			$	882,415		(279,210	)		603,205		884,534		(251,437	)		633,097

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

Year Ending May 31:
2017	$	28,289
2018		56,507
2019		52,583
2020		51,475
2021		51,446
2022		51,441