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Shareholders' Equity (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Share-based compensation expense
Share-based compensation, Total	$ 480	$ 208
Stock Options [Member]
Share-based compensation expense
Share-based compensation, Total	163	208
Restricted Stock Awards and Restricted Stock Units [Member]
Share-based compensation expense
Share-based compensation, Total	$ 317

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- Definition

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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