Class of warrant or right exercised.

No definition available.

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- Definition

Class of warrant or right expiration year and month.

+ References

No definition available.

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- Definition

Class Of Warrant Or Right Expired

+ References

No definition available.

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- Definition

Increase in percentage per year of number of common stock outstanding.

+ References

No definition available.

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- Definition

Period of termination of stock options from date of grant.

+ References

No definition available.

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- Definition

Period of termination of stock options vested after termination date.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting Period Number Of Installments

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award number of maximum shares issued upon exercise of incentive stock options.

+ References

No definition available.

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- Definition

Shareholders Equity [Line Items]

+ References

No definition available.

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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

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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

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

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

+ Details

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

No definition available.

+ Details

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

+ References

+ Details

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- Definition

General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

+ 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)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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

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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.

+ References

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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.

+ References

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

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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.

+ References

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stockholders' Equity - Additional Information (Detail)			6 Months Ended
Stockholders' Equity - Additional Information (Detail)	Jun. 30, 2015 USD ($) shares	Jan. 01, 2015 shares	Jun. 30, 2015 USD ($) AnnualInstallments $ / shares shares	Jun. 30, 2014 USD ($) $ / shares shares	Oct. 13, 2006 $ / shares shares
Shareholders' Equity [Line Items]
Common stock warrants, Exercise price per share \| $ / shares				$ 0.33
Number of warrants exercised			0
Number of warrants expired			0
Proceeds from exercise of warrant \| $				$ 339
Weighted-average fair value of the options granted \| $ / shares			$ 5.10	$ 6.72
2003 Stock Incentive Plan [Member]
Shareholders' Equity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage			25.00%
Share-based compensation arrangement by share-based payment award, vesting rights			Unless otherwise stated in a stock option agreement, 25% of the shares subject to an option grant will vest upon the first anniversary of the vesting start date and thereafter at the rate of one forty-eighth of the option shares per month as of the first day of each month after the first anniversary.
Period that vested options shall terminate after termination date			60 days
Termination period of stock options from date of grant			10 years
Share-based compensation arrangement by share-based payment award, expiration date			May 21, 2013
Unrecognized compensation expense related to unvested options not yet recognized \| $	$ 40,163		$ 40,163
Intrinsic value of options exercised during the period \| $			560,676	$ 603,221
Fair value of shares vested \| $			$ 26,656	30,308
2013 Equity Incentive Plan [Member]
Shareholders' Equity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage			25.00%
Period that vested options shall terminate after termination date			90 days
Unrecognized compensation expense related to unvested options not yet recognized \| $	$ 6,107,939		$ 6,107,939
Period for unrecognized compensation expense related to unvested options not yet recognized	3 years
Fair value of shares vested \| $			$ 1,867,672	$ 0
Termination period of stock options from date of grant			10 years
Share-based compensation arrangement by share-based payment award, description			Unless otherwise stated in a stock option agreement, 25% of the shares subject to an option grant will typically vest upon the first anniversary of the vesting start date and thereafter at the rate of one forty-eighth of the option shares per month as of the first day of each month after the first anniversary.
Shares of common stock reserved for issuance, percentage increase			3.00%
Maximum number of shares that may be issued pursuant to exercise of incentive stock	20,000,000		20,000,000
Stock Incentive Plan [Member] \| Maximum [Member]
Shareholders' Equity [Line Items]
Period for unrecognized compensation expense related to unvested options not yet recognized	1 year
RSU [Member] \| 2013 Equity Incentive Plan [Member]
Shareholders' Equity [Line Items]
Unrecognized compensation expense related to unvested service \| $	$ 42,242		$ 42,242
Vesting period of RSUs \| AnnualInstallments			3
Common Stock [Member]
Shareholders' Equity [Line Items]
Warrants issued for common stock				1,026	1,544
Common stock warrants, Exercise price per share \| $ / shares					$ 25.92
Warrant expiration			2016-10
Common Stock [Member] \| Convertible Unsecured Promissory Notes [Member]
Shareholders' Equity [Line Items]
Warrants issued for common stock	633,709		633,709
Common Stock [Member] \| 2013 Equity Incentive Plan [Member]
Shareholders' Equity [Line Items]
Common stock issued under 2013 plan		1,568,195
Shares of common stock reserved for issuance, percentage increase		3.00%
Increase in number of shares of common stock		568,195
Common Stock [Member] \| 2013 Equity Incentive Plan [Member] \| Maximum [Member]
Shareholders' Equity [Line Items]
Common stock issued under 2013 plan	1,000,000		1,000,000