Authorized common stock that may be issued and sold under sales agreement.

No definition available.

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- Definition

Maximum offering price under sales agreement.

+ References

No definition available.

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- Definition

Percentage of commission payable on equity offering.

+ References

No definition available.

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- Definition

Securities that may be sold under the agreement.

+ References

No definition available.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options of non vested, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- References

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- Definition

Face amount or stated value per share of common stock.

+ References

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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- Definition

Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

Number of share options (or share units) exercised during the current period.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholders' Equity (Details) - USD ($)	6 Months Ended
Stockholders' Equity (Details) - USD ($)	Jan. 31, 2018	Jan. 31, 2017	Jul. 31, 2017	Dec. 31, 2014
Stockholders' Equity (Details) [Line Items]
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.01		$ 0.01
Percentage of Commission Payable on Equity Offering	3.00%
Maximum Offering Price Under Sales Agreement	$ 20,000,000			$ 20,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	569,602
Excess Tax Benefit from Share-based Compensation, Financing Activities	$ 0	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	$ 1,000,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	15 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	$ 21,000	$ 8,000
Officer [Member]
Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	340,898
Treasury Stock, Shares, Acquired (in Shares)	106,911
Treasury Stock, Value, Acquired, Cost Method	$ 1,014,000
2011 Plan [Member]
Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	5,000,000		3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)	2,263,400
Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Authorized Common Stock That May Be Issued And Sold Under Sales Agreement	$ 19,150,000
Securities That May Be Sold Under The Agreement	$ 150,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	228,704
Treasury Stock, Shares, Acquired (in Shares)	340,898
Restricted Stock [Member]
Stockholders' Equity (Details) [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options	$ 100,000
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Outstanding Weighted Average Remaining Contractual Terms	22 months