Stock Option Plans (Details Textual) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Option Activity for Non-Employees
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Milestone recognized total compensation cost	$ 0	$ 0
Total unrecognized compensation cost related to non-vested options	0
Share based compensation arrangement by share based payment award compensation cost forfeiture rate	6.00%
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Milestone recognized total compensation cost	82,124	39,877
Total unrecognized compensation cost related to non-vested options	$ 949,780	$ 357,790
Milestone recognize cost over a weighted average period	3 years 1 month 6 days	2 years 6 months
Share based compensation arrangement by share based payment award compensation cost forfeiture rate	6.00%	6.00%

Share based compensation arrangement by share based payment award compensation cost forfeiture rate.

No definition available.

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- Definition

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, 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 50

-Paragraph 2

-Subparagraph (h)(1)(ii)

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

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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 (i)

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

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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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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

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