Note 7 Stock Based Compensation - (Details) (USD $)	6 Months Ended
Jun. 30, 2012
Notes to Financial Statements
Range of Exercise Prices (Lower)	$ 0.25
Range of Exercise Prices (Upper)	$ 1.75
Number Outstanding Currently Exercisable	7,162,442
Weighted Average Remaining Contractural Life (Years)	2 years 5 months 3 days
Weighted Average Exercise Price of Options and Warrants Current Exercisable	$ 1.13

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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.

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- Definition

Change in the weighted average exercise price of options outstanding.

+ References

No definition available.

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- Definition

Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.

+ References

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

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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