7. STOCK-BASED COMPENSATION (Details) (USD $)	9 Months Ended
Sep. 30, 2012
STOCK BASED COMPENSATION
Exercisable at the end	5,250,750
NonPlanOutstandingWarrantsMember
STOCK BASED COMPENSATION
Begining Balance	6,656,250
Granted
Exercised
Canceled or expired	(425,000)
Ending Balance	6,231,250
Exercisable at the end	5,250,750
Weighted Average Exercise price Per Common Share
Begining Balance	$ 3.62
Granted
Exercised
Canceled or expired	$ 4.19
Ending Balance	$ 3.58
Exercisable at the end	$ 3.64
Weighted Average Remaining Contractual Life
Ending Balance	2 years 1 month 17 days
Exercisable at the end	1 year 11 months 12 days
Aggregate Intrinsic Value
Ending Balance	1,329,575
Exercisable at the end	1,171,692
OutstandingOptionsandWarrantsUnderthe2006Planand2000PlanMember
STOCK BASED COMPENSATION
Begining Balance	2,502,898
Granted
Exercised	(250,000)
Canceled or expired	(750,000)
Ending Balance	1,502,898
Exercisable at the end	1,502,898
Weighted Average Exercise price Per Common Share
Begining Balance	$ 2.58
Granted
Exercised	$ 2.52
Canceled or expired	$ 4.77
Ending Balance	$ 1.5
Exercisable at the end	$ 1.5
Weighted Average Remaining Contractual Life
Ending Balance	0 years 10 months 25 days
Exercisable at the end	0 years 10 months 25 days
Aggregate Intrinsic Value
Ending Balance	1,979,011
Exercisable at the end	1,979,011

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Share Based Compensation Arrangement ByS hare Based Payment Award Options Exercisable Number

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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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.

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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.

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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.

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- Definition

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

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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Number of share options (or share units) exercised during the current period.

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