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.

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

Aggregate number of common shares reserved for future issuance.

+ References

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

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

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 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

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

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- Definition

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

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- Definition

Number of options vested.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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Amount of stock repurchase plan authorized.

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Employee Stock Compensation and Stock Repurchase Program (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Jul. 19, 2016	Jul. 08, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	$ 35,652	$ 59,528	$ 63,708	$ 151,266
Allocated Share-based Compensation Expense	99,034	165,356	176,966	420,182
Stock Repurchase Program, Authorized Amount					$ 2,500,000
2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options	598		598
Allocated Share-based Compensation Expense	392	38,708	$ (9,746)	293,534
2012 Plan [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares			289,462
2015 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options	571,554		$ 571,554
Allocated Share-based Compensation Expense	$ 98,642	$ 126,648	$ 186,712	$ 126,648
Common Stock, Capital Shares Reserved for Future Issuance						100,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross			99,270
2015 Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance						20,000
Bonus-in-stock program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Purchase Price Of Common Stock, Percent			133.00%
Director Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	5,000		5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 8.28		$ 8.28
Restricted Stock [Member] \| 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options	$ 598		$ 598
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares			4,425
Restricted Stock [Member] \| 2015 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options	$ 295,925		$ 295,925
Employees And Directors [Member] \| 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	310,000		310,000