1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	May 31, 2014	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013	May 31, 2013	Feb. 28, 2013	Nov. 30, 2012	Aug. 31, 2012	May 31, 2014	May 31, 2013	May 31, 2012
Organization And Summary Of Significant Accounting Policies Details 4
Net income (loss)	$ 239	$ 212	$ 137	$ (166)	$ (854)	$ (1,458)	$ (811)	$ (296)	$ 422	$ (3,419)	$ (3,390)
Denominator for basic net income (loss) per share: Weighted average shares outstanding									10,877	9,549	9,016
Shares used in basic net income (loss) per share calculation									10,877	9,549	9,016
Effect of dilutive securities									1,012	0	0
Denominator for diluted net income (loss) per share									11,889	9,549	9,016
Basic net income (loss) per share									$ 0.04	$ (0.36)	$ (0.38)
Diluted net income (loss) per share									$ 0.04	$ (0.36)	$ (0.38)