Note 7 - Goodwill (Tables)

9 Months Ended

Feb. 28, 2015

Disclosure Text Block Supplement [Abstract]

Schedule of Goodwill [Table Text Block]

	February 28, 2015			May 31, 2014
Balance at beginning of period	$	851,563			1,003,463
Additions:
Acquisition of businesses		432			6,912
Foreign currency translation adjustment		(9,146	)		1,188
Impairment loss		-			(160,000	)
Balance at end of period	$	842,849			851,563