Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended
Mar. 31, 2015 Segment Institution	Mar. 31, 2014
Schedule Of Significant Accounting Policies [Line Items]
Number of financial institutions at which company's cash and cash equivalents are held	2
Depreciation method of property and equipment	Straight-line method
Research and development costs	$ 120,386us-gaap_ResearchAndDevelopmentExpense	$ 864,729us-gaap_ResearchAndDevelopmentExpense
Number of operating segment	1us-gaap_NumberOfOperatingSegments
Patents and Trademark
Schedule Of Significant Accounting Policies [Line Items]
Number of provisional patents filed	11
Number of patents issued	7
Amortization method of patents	Straight-line basis
Patents and Trademark \| UNITED STATES
Schedule Of Significant Accounting Policies [Line Items]
Number of provisional patents pending for allowance.	4
Patents and Trademark \| Foreign Countries
Schedule Of Significant Accounting Policies [Line Items]
Number of provisional patents pending for allowance.	5
Sales and marketing expenses
Schedule Of Significant Accounting Policies [Line Items]
Advertising costs	$ 158	$ 27,283
Minimum
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	5 years
Minimum \| Patents and Trademark
Schedule Of Significant Accounting Policies [Line Items]
Estimated lives of patents	17 years
Maximum
Schedule Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	7 years
Maximum \| Patents and Trademark
Schedule Of Significant Accounting Policies [Line Items]
Estimated lives of patents	20 years

Represents the number of financial institutions at which the cash and cash equivalents are held.

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- Definition

Represents number of intangible assets.

+ References

No definition available.

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- Definition

Number of provisional patents filed during the period.

+ References

No definition available.

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Number Of Provisional Patents Pending For Allowance

+ References

No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

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- Definition

The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 35

-Paragraph 6

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Description of the methodology for computing depreciation for classes of depreciable assets.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

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-SubTopic 10

-Section 50

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