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- Definition

Class Of Warrant Or Right, Warrant Term

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No definition available.

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- Definition

Class of Warrant Or Right, Liquidated Damages Amount, Percent of Volume Weighted Average Price

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No definition available.

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- Definition

Ownership Interest, Percentage of Voting Rights of Stock

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No definition available.

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- Definition

Stock Issued During Period Shares Cashless Exercise Of Warrants

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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
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Number of warrants or rights outstanding.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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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

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

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

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

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

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

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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- Definition

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

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Stockholders' Equity (Deficit) - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 942,369	$ 345,435
Number of options granted	955,713	926,384
Weighted average grant date fair value per option granted (in dollars per share)	$ 1.66	$ 1.03
Future stock-based compensation for unvested employee options granted and outstanding	$ 1,917,245
Stock options outstanding, intrinsic value	$ 67,165
Liquidated damages amount percent of VWAP (percent)	1.00%
Warrants cashless exercised	43,720
Issuance of shares upon cashless exercise warrants	13,407
NSO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value	85.00%
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Income tax benefits recognized from stock-based compensation	$ 0	$ 0
Number of options granted	955,713	926,384
Future stock-based compensation, requisite service period	2 years 6 months
Number of shares available for grant	6,149	606,061	124,824
Number of additional shares authorized	270,764
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ownership interest of voting rights of all classes of stock (percent)	10.00%
Minimum [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value	110.00%
Maximum [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option	10 years
Maximum [Member] \| ISOs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option	5 years
Series D Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants	1,280,324
Exercise price of warrants (in dollars per share)	$ 2.46
Warrants term	5 years
Liquidated damages amount percent of VWAP (percent)	1.00%
Underwriter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants	82,500
Exercise price of warrants (in dollars per share)	$ 7.14
Warrants term	10 years
2010 and 2012 Convertible Promissory Notes [Member] \| Warrants to Purchase Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants	480,147
Exercise price of warrants (in dollars per share)	$ 4.87
Warrants term	10 years
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants	9,259
Exercise price of warrants (in dollars per share)	$ 21.60
Warrants term	10 years
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	139,839
Percentage of outstanding stock maximum	1.00%
Number of additional shares authorized	279,680