NET INCOME PER COMMON SHARE (Details) (USD $)	12 Months Ended
May 31, 2014	May 31, 2013
Calculation of basic and diluted net income:
Net income available to common shareholders	$ (748,000)	$ 360,000
Weighted average number of common shares outstanding used in calculating basic earnings per share	876,860	1,018,709
Weighted average number of common shares outstanding used in calculating diluted earnings per share	876,860	1,019,812

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256

Name:	us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration