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3. EARNINGS PER SHARE (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Earnings Per Share Details    
Net loss $ (296) $ 124
Denominator for basic net (loss) income per share: Weighted average common shares outstanding 9,166 8,932
Shares used in basic net (loss) income per share calculation 9,166 8,932
Effect of dilutive securities 0 168
Denominator for diluted net (loss)income per share 9,166 9,100
Basic Net (loss) income per share $ (0.03) $ 0.01
Diluted Net (loss) income per share $ (0.03) $ 0.01