Proceeds From Exercise of Stock Options And Stock Purchase Plan

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Contractual Term

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Equity Awards Authorized

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Automatic Vesting, Change in Control, Percent

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No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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-Publisher FASB
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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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- Definition

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

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Stock Based Compensation - Additional Information (Details)		12 Months Ended
	Jan. 04, 2016 $ / shares	Jan. 31, 2016 USD ($) $ / shares shares	Jan. 31, 2015 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award
Exercise price range, lower range limit (in USD per share) \| $ / shares	$ 1.41
Exercise price range, upper range limit (in USD per share) \| $ / shares		$ 8.17
Weighted average period of recognition for compensation cost		1 year 9 months 18 days
Proceeds from exercise of stock options and stock purchase plan \| $		$ 276,039	$ 551,583
Change in control percentage		0.2
$1.65 to $8.17
Share-based Compensation Arrangement by Share-based Payment Award
Exercise price range, lower range limit (in USD per share) \| $ / shares		$ 1.53
Exercise price range, upper range limit (in USD per share) \| $ / shares		$ 8.17
$1.65 to $2.00
Share-based Compensation Arrangement by Share-based Payment Award
Options outstanding		207,924
Exercise price range, lower range limit (in USD per share) \| $ / shares		$ 1.53
Exercise price range, upper range limit (in USD per share) \| $ / shares		$ 2.00
Options exercisable		97,924
$2.08 to $4.00
Share-based Compensation Arrangement by Share-based Payment Award
Options outstanding		862,938
Exercise price range, lower range limit (in USD per share) \| $ / shares		$ 2.08
Exercise price range, upper range limit (in USD per share) \| $ / shares		$ 4.00
Options exercisable		268,356
$4.08 to $8.17
Share-based Compensation Arrangement by Share-based Payment Award
Options outstanding		1,341,017
Exercise price range, lower range limit (in USD per share) \| $ / shares		$ 4.02
Options exercisable		633,757
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Options outstanding		2,411,879	2,437,323
Options issued		1,011,828
Options expired		704,326
Options forfeited		257,946
Options exercised		75,000
Options exercisable		1,000,037
Compensation cost not yet recognized \| $		$ 1,588,000
Allocated share-based compensation expense \| $		1,783,000	$ 1,655,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Allocated share-based compensation expense \| $		582,000	$ 265,000
Compensation cost not yet recognized \| $		$ 77,000
2013 Incentive Compensation Plan \| Blended Equity Awards (Stock Options, Stock Appreciation Rights, Resticted Stock)
Share-based Compensation Arrangement by Share-based Payment Award
Equity awards authorized (up to)		4,500,000
Term of options granted (or less)		10 years
Vesting period		3 years
Options outstanding		2,186,879	1,737,323
2013 Incentive Compensation Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period		1 year
Executive Inducement Grants \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Options outstanding		225,000	700,000
Options issued		0	300,000
Options expired		405,417	125,694
Options forfeited		69,583	99,722
Options exercised		0	205,556