Note 9 (Details) - USD ($)	May. 31, 2015	Feb. 28, 2015
Fair Value, Inputs, Level 2 [Member]
Note 9 (Details) [Line Items]
Lines of Credit, Fair Value Disclosure	$ 1,700,000	$ 1,400,000

Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

Name:	us-gaap_LinesOfCreditFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant