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Acquisition (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2011
Consolidated pro forma results of operations (Unaudited)
Revenues	$ 71,524
Net income	$ 4,636
Earnings per share:
Basic	$ 0.47
Diluted	$ 0.46

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details