Common stock reserved for issuance under stock holders incentive plan.

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

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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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

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Paragraph 2

-Subparagraph (i)

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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

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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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).

+ 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 (a)(3)

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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

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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- Definition

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

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (c)(1)(i)-(ii)

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)

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Stockholders' Equity - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended				3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended							0 Months Ended	1 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013	Jun. 30, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2014 2010 Stock Option Plan [Member]	Jun. 30, 2014 Restricted stock units [Member]	Jun. 30, 2013 Restricted stock units [Member]	Jun. 30, 2014 Restricted stock units [Member]	Jun. 30, 2013 Restricted stock units [Member]	Jun. 30, 2014 Outstanding Restricted Stock [Member]	Jun. 30, 2014 Stock options [Member]	Jun. 30, 2013 Stock options [Member]	Jun. 30, 2014 Stock options [Member]	Jun. 30, 2013 Stock options [Member]	Jun. 30, 2014 2012 Plan [Member]	Jun. 30, 2014 2012 Plan [Member] Restricted Stock Units (RSUs) [Member]	Jun. 30, 2014 Director Plan [Member]	Jan. 31, 2011 Director Plan [Member]	Jun. 30, 2014 Director Plan [Member] Restricted Stock Units (RSUs) [Member]	Feb. 19, 2014 Minimum [Member]	Jan. 31, 2012 Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 7,211,726		$ 7,211,726						$ 3,945,911		$ 3,945,911		$ 2,249,388	$ 3,265,815	$ 5,006,752	$ 3,265,815	$ 5,006,752
Weighted average period for unrecognized compensation expense expected to be recognized			2 years 3 months 18 days								3 years 1 month 6 days		3 years 3 months 18 days			2 years	2 years 9 months 18 days
Common stock reserved for issuance under stock holders incentive plan																							4,000,000	2,000,000
Purchase of common stock																		1,109,961
Options outstanding	2,616,121	2,670,743	2,616,121	2,670,743	2,824,964	1,212,292	692,504	1,506,160											647,292			565,000
Number of common stock reserved for future grants																		2,423,806		435,000
Total number of shares of common stock reserved for issuance																					1,000,000
Recognized compensation expense	922,848	685,633	2,667,969	2,045,767										542,929	494,608	1,662,245	1,478,226
Total intrinsic value of options exercised			468,489	3,832,374
Weighted-average remaining contractual term			6 years 4 months 2 days	7 years 4 months 24 days	7 years 3 months 15 days
Weighted-average exercise price, outstanding shares	$ 4.19	$ 4.01	$ 4.19	$ 4.01	$ 4.09	$ 4.77	$ 4.85
Aggregate intrinsic value, outstanding shares	2,331,604	7,282,518	2,331,604	7,282,518
Recognized stock-based compensation expense related to the outstanding RSUs									$ 379,919	$ 191,025	$ 1,005,724	$ 567,541