Note 9 - Goodwill (Details) - May. 31, 2015 $ in Thousands	USD ($)	USD ($)
Note 9 - Goodwill (Details) [Line Items]
Number of Reportable Segments	3
Code Red, Inc. [Member]
Note 9 - Goodwill (Details) [Line Items]
Goodwill, Acquired During Period	$ 32,400	$ 32,435

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Name:	us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration