9. Stockholders' Equity (Details-Warrant Activity) (Warrants [Member], USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Warrants [Member]
Outstanding warrants
Warrants outstanding, beginning balance	6,600,000	4,500,000
Warrants granted		3,600,000
Warrants exercised		(1,500,000)
Warrants forfeited
Warrants outstanding, ending balance	6,600,000	6,600,000	4,500,000
Warrants exercisable	6,600,000
Weighted Average Exercise Price Per Share
Warrants outstanding, beginning balance	$ 0.67	$ 0.79
Warrants granted		$ 0.40
Warrants exercised		$ 0.37
Warrants forfeited
Warrants outstanding, ending balance	$ 0.67	$ 0.67	$ 0.79
Warrants exercisable	$ 0.67
Weighted Average Remaining Contractual Life
Warrants outstanding, ending balance	3 years 2 months 5 days	4 years 2 months 5 days	4 years 4 months 6 days
Warrants exercisable	3 years 2 months 5 days

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Weighted average contractual term exercisable warrants

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- Definition

Weighted average exercise price per share, warrants exercisable

+ References

No definition available.

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

+ References

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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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-Number 210

-Section 08

-Paragraph i

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Number of warrants or rights outstanding.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Name Accounting Standards Codification

-Topic 718

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-Section 50

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-Subparagraph (c)(1)(iv)(3)

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

Number of non-option equity instruments exercised by participants.

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