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Securities Available For Sale (Details 1) (USD $) In Thousands, unless otherwise specified | Jan. 31, 2013 | Jan. 31, 2012
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Contractual maturity dates of securities |  |
Less than one year | $ 5,986 | $ 8,494
One to three years | 2,523 | 2,842
Fair Value | $ 8,509 | $ 11,336

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