Recognition period of share based compensation expense.

No definition available.

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- Definition

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

+ References

+ Details

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Period Type:	instant

- Definition

Number 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))

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

+ 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 aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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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.

+ References

+ Details

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

+ Details

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ 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 (c)(1)(iii)

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

+ Details

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ 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 (c)(1)(iv)(4)

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

+ Details

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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

+ Details

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

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

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

No definition available.

+ Details

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ 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 (c)(iii)

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

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- Definition

Weighted average remaining contractual term of outstanding stock options, 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 (e)(1)

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

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Stock Option Plans and Warrants to Purchase Common Stock (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2015	Dec. 31, 2010	Sep. 30, 2007
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Stock-based compensation	$ 720,150us-gaap_ShareBasedCompensation	$ 803,060us-gaap_ShareBasedCompensation
Compensation cost for stock options not yet recognized	1,009,941
Recognition period of share based compensation expense	3 years
Ending Balance, weighted average options/warrants exercise price	$ 1.65
Options intrinsic value	47,241	56,750
Class of warrants exercised	586,081
Employees [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Number of options available under 2005 Equity Incentive Plan	569,000
Board [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Number of options available under 2005 Equity Incentive Plan	68,495
Warrant [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Warrant expired or cancelled	(1,470,263)	(1,250)
Options granted	1,169,318	5,421,581
Exercisable Options/Warrants	7,269,500
Ending Balance	7,269,500	8,156,526	2,843,338
Ending Balance, weighted average options/warrants exercise price	$ 1.48
Weighted-Average Remaining Contractual Life in Years	3 years 4 months 24 days
Expired, weighted average warrant exercise price	$ 3.49	$ 15.00
Warrant [Member] \| Subsequent Event [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Exercisable Options/Warrants				596,952
Equity Incentive Plan [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Number of options available under 2005 Equity Incentive Plan		3,000,000			1,750,000	1,000,000
Employee Stock Option [Member]
Stock Option Plans and Warrants To Purchase Common Stock (Textual)
Options granted	637,495	791,100
Weighted average exercise price	$ 2.64	$ 3.01
Exercisable Options/Warrants	1,875,609
Exercisable, Weighted Average Remaining Contractual Term	6 years 10 months 24 days
Options, intrinsic value	196,655
Ending Balance	2,488,279	2,051,511	1,457,724
Ending Balance, weighted average options/warrants exercise price	$ 2.40
Weighted-Average Remaining Contractual Life in Years	6 years 10 months 24 days
Options intrinsic value	$ 215,103