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Class Of Warrants Or Right Expiration Date

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Common stock trading period.

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Delivery period of written statement of calculation of revenue and net income for earnout period.

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Percentage of earnout shares vest and eligible for resale.

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Percentage of remaining earnout shares vest and eligible for resale.

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

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Underwriting Discount And Commission

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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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Number of shares of equity interests issued or issuable to acquire entity.

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

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Number of warrants or rights outstanding.

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Aggregate number of common shares reserved for future issuance.

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

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Unrecognized cost of unvested share-based compensation awards.

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

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No definition available.

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Unrecognized cost of unvested options awarded to employees as compensation.

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- Definition

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

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

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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 number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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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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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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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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

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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

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Stockholders' Equity - Additional Information (Detail) - USD ($)		1 Months Ended		12 Months Ended
	Jun. 17, 2015	Jul. 31, 2013	Jun. 30, 2013	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014	Feb. 19, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares sold				32,781,704	31,721,114
Number of warrants outstanding						6,667
Common stock issued exercise price						$ 0.91
Warrants expired date						2014-12
Estimated average forfeiture rate				12.10%
Tax benefits received related to stock option exercises				$ 0	$ 0	$ 0
Recognized compensation expense				5,582,000	3,760,000	3,444,000
Unrecognized compensation expense				2,000,000
Total intrinsic value of options exercised				$ 3,300,000	$ 600,000	$ 500,000
Weighted average fair value of options granted				$ 3.29	$ 2.83
Number of options granted to employees				98,500	1,927,500	0
Purchase of common stock				3,015,374	3,647,705	2,334,326		2,824,964
Percentage of earnout shares vest and eligible for resale				12.50%
Percentage of remaining earnout shares vest and eligible for resale				87.50%
Earnout Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense				$ 300,000	$ 47,000
Vesting period of shares received				27 months
Common stock trading period				10 days
Earnout Shares [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Delivery period of written statement of calculation of revenue and net income for earnout period				75 days
IDchecker [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination, earnout shares	$ 2,000,000			$ 2,000,000
IDchecker [Member] \| Maximum [Member] \| 1/1/15-9/30/15 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination, earnout shares				1,000,000
IDchecker [Member] \| Maximum [Member] \| 10/1/15-9/30/16 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination, earnout shares				1,000,000
IDchecker [Member] \| Closing Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense				1,300,000	300,000
Vesting period of shares received	27 months
Common stock issued during acquisition, share	712,790
Unrecognized compensation expense				$ 1,200,000
2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance							4,000,000
Purchase of common stock				1,916,646
Number of common stock reserved for future grants				2,040,378
Scenario, Previously Reported [Member] \| 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance							2,000,000
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense				$ 1,300,000	2,200,000	$ 2,200,000
Weighted average period for unrecognized compensation expense expected to be recognized				2 years 3 months 18 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense				$ 2,700,000	$ 1,200,000	$ 1,300,000
Weighted average period for unrecognized compensation expense expected to be recognized				2 years 8 months 12 days
Common stock reserved for issuance				1,000,000
Options outstanding				2,046,169	802,917	1,101,303		692,504
Vesting period of shares received				4 years
Unrecognized compensation expense				$ 6,300,000
Restricted Stock Units (RSUs) [Member] \| 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding				1,401,169
IPO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares sold			2,857,142
Common stock, price per share			$ 5.25
Net proceeds from issuance of common stock			$ 13,900,000
Underwriting discounts and commissions and other offering expenses			$ 1,100,000
Other offering expenses		$ 100,000
Overallotment option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares of common stock to cover over allotments			428,571
Underwriter option exercised		$ 2,100,000