6. Share-based Compensation (Details Narrative) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Share-Based Compensation Details Narrative
Estimated forfeiture rate	6.94%	7.85%
aggregate intrinsic value of outstanding stock options	$ 4,006,927
aggregate intrinsic value of exercisable stock options	3,156,078
stock compensation expense	67,382	46,688
Unrecognized compensation expense related to unvested stock options	$ 296,782
Recognize compensation expense, weighted average period	2 years 9 months 25 days
Weighted average fair value of options granted	$ 0.08

Estimated Forfeiture Rate.

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- Definition

Custom Element.

+ References

No definition available.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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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 Statement of Financial Accounting Standard (FAS)

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-Paragraph 28

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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

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

+ References

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

+ References

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