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Represents the expense 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.

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Aggregate number of common shares reserved for future issuance.

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Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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

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Unrecognized cost of unvested options awarded to employees as compensation.

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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

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The highest quantity of shares an employee can purchase under the plan per period.

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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Percentage of vesting of share-based compensation awards.

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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Stock-Based Compensation Plans (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2016	Jan. 31, 2015	Jul. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years vesting				3 years
Unrecognized compensation costs		$ 82,000	$ 234,000	$ 82,000	$ 234,000
Capitalized stock-based compensation costs				0	0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense recognized		75,000	68,000	148,000	142,000
Unrecognized compensation expense		550,000		550,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense recognized		$ 16,000	$ 40,000	$ 40,000	69,000
2000 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance		1,950,000		1,950,000
Stock option grants exercisable period				5 years
Shareholder percent ownership of the company				10.00%
Exercise prices for options outstanding		$ 1.53		$ 1.53		$ 1.52
2000 Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option grants exercisable period				10 years
Exercise prices for options outstanding		2.100		$ 2.100
2000 Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise prices for options outstanding		$ 0.49		$ 0.49
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance		1,850,000		1,850,000
Maximum term				10 years
Exercise prices for options outstanding		$ 2.44		$ 2.44		$ 2.34
Weighted-average remaining vesting period				1 year 9 months 7 days
2010 Plan [Member] \| Common Stock, Restricted Stock And Restricted Stock Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance		1,525,000		1,525,000
2010 Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise prices for options outstanding		$ 3.61		$ 3.61
2010 Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise prices for options outstanding		$ 0.59		$ 0.59
2000 ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense recognized				$ 14,000	$ 0
Employee Stock Purchase Plan common stock reserved for issuance		575,000		575,000
Employee Stock Purchase Plan shares issued		300,280	263,974	300,280	263,974
Purchase price as percent of market value				85.00%
Maximum number of shares per employee per year				5,000
Executive Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of restricted stock under the LTEB	550,000
Market price measurement period				4 years
Common stock granted under the LTEB	$ 350,000
Volatility rate				46.00%
Risk free interest rate				1.34%
Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				25.00%
Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				25.00%
Tranche Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				50.00%
Tranche Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				50.00%
Vesting Scenario One [Member] \| Executive Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				30.00%
Market price threshold				$ 6.00
Vesting Scenario Two [Member] \| Executive Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				20.00%
Market price threshold				$ 7.00
Vesting Scenario Three [Member] \| Executive Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				20.00%
Market price threshold				$ 8.00
Vesting Scenario Four [Member] \| Executive Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				30.00%
Market price threshold				$ 9.00