3. EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Earnings Per Share [Abstract]
Numerator: Net loss	$ (907)	$ (166)
Denominator for basic net loss per share: Weighted average shares outstanding (in thousands)	11,391	10,635
Shares used in basic net loss per share calculation (in thousands)	11,391	10,635
Effect of dilutive securities (in thousands)	0	0
Denominator for diluted net loss per share (in thousands)	11,391	10,635
Basic net loss per share	$ (0.08)	$ (0.02)
Diluted net loss per share	$ (0.08)	$ (0.02)