Class Of Warrants Or Right Expiration Date

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- Definition

Common stock reserved for issuance under stock holders incentive plan.

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award estimated average forfeiture rate for stock option granted.

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No definition available.

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- Definition

Underwriters Purchase Of Shares To Cover Over Allotments

+ References

No definition available.

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- Definition

Underwriting Discount And Commission

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No definition available.

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- Definition

Warrant to purchase common stock exercised.

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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.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

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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.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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-Glossary Financing Activities

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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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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- 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

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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- Definition

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

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No definition available.

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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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Stockholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended					0 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended		0 Months Ended		12 Months Ended					12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2009	Jun. 30, 2013 William Blair & Company, L.L.C [Member]	Sep. 30, 2013 William Blair & Company, L.L.C [Member]	Jun. 30, 2013 William Blair & Company, L.L.C [Member]	Sep. 30, 2014 Warrants [Member]	Dec. 31, 2009 Warrants [Member]	Sep. 30, 2014 Convertible debentures [Member] Warrants [Member]	Sep. 30, 2014 2012 Plan [Member]	Feb. 19, 2014 Minimum [Member]	Feb. 19, 2014 Maximum [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2011 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member] 2012 Plan [Member]	Sep. 30, 2014 Restricted stock units [Member]	Sep. 30, 2013 Restricted stock units [Member]	Sep. 30, 2012 Restricted stock units [Member]	Sep. 30, 2014 Outstanding Restricted Stock [Member]	Sep. 30, 2014 Stock options [Member]	Sep. 30, 2013 Stock options [Member]	Sep. 30, 2012 Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares sold	30,521,080	30,361,442						2,857,142		337,501
Common stock, price per share								$ 5.25
Net proceeds from issuance of common stock		$ 16,004,797				$ 13,877,447
Underwriting discounts and commissions and other offering expenses								1,122,549
Additional shares of common stock to cover over allotments						428,571
Underwriter option exercised							2,127,350
Other offering expenses	0	1,245,196	0				122,647
Common stock outstanding	30,521,080	30,361,442							6,667
Common stock issued exercise price					$ 0.91				$ 0.91
Warrants expire date									2014-12		2014-12
Common stock exercised											330,834
Estimated average forfeiture rate	13.40%
Tax benefits received related to stock option exercises	0	0	0
Recognized compensation expense	3,444,480	2,791,862	2,599,858																					2,151,689	2,023,023	2,070,786
Unrecognized compensation expense	1,659,197																			3,219,521
Weighted average period for unrecognized compensation expense expected to be recognized	1 year 6 months 29 days																						2 years 11 months 5 days
Total intrinsic value of options exercised	472,327	3,832,374	14,215,750
Weighted-average exercise price, outstanding shares	$ 4.11	$ 4.09	$ 3.39	$ 1.34											$ 4.71	$ 4.85	$ 6.30	$ 5.12
Number of options granted to employees	0	651,563	1,095,750												625,139	255,000	255,835
Common stock reserved for issuance under stock holders incentive plan													2,000,000	4,000,000
Purchase of common stock												843,743
Options outstanding	2,334,326	2,824,964	3,512,286	4,553,904											1,101,303	692,504	515,834	300,000	536,303
Number of common stock reserved for future grants												2,776,678
Common stock reserved for issuance of restricted stock units																				1,000,000
Restricted stock units vesting period																				4 years
Recognized stock-based compensation expense related to the outstanding RSUs																				$ 1,292,791	$ 768,839	$ 529,072