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Stock-Based Compensation (Details 1) (USD $) | 6 Months Ended
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Jul. 31, 2013
Summary of change in number of non-vested options to purchase shares of common stock |
Nonvested, Beginning balance, Shares | 388,500
Nonvested, Beginning balance, Weighted Average Fair Value | $ 5.67
Granted, Shares | 81,000
Granted, Weighted Average Fair Value | $ 3.30
Forfeited, Shares |
Forfeited, Weighted Average Fair Value |
Vested, Shares | (173,000)
Vested, Weighted Average Fair Value | $ 5.29
Nonvested, Ending balance, Shares | 296,500
Nonvested, Ending balance, Weighted Average Fair Value | $ 5.24

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- Details
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- Definition Share based compensation arrangement by share based payment award equity instruments options vested in period. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments options vested in period weighted average grant date fair value. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award nonvested options forfeitures in period. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award option nonvested outstanding number of shares. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award options forfeitures, weighted average grant date fair value. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award stock option non-vested weighted average fair value. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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