15. STOCK OPTIONS AND WARRANTS (Details 4) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Warrants	327,316
Wtd. Avg. Life	3 years
Wtd. Avg. Exercise Price	$ 9.97
Range One
Range of Exercise Prices, lower limit	$ 0.00
Range of Exercise Prices, upper limit	$ 5.00
Warrants	293,766
Wtd. Avg. Life	3 years
Wtd. Avg. Exercise Price	$ 4.41
Range Two
Range of Exercise Prices, lower limit	$ 5.01
Range of Exercise Prices, upper limit	$ 90.00
Warrants	19,350
Wtd. Avg. Life	5 years
Wtd. Avg. Exercise Price	$ 11.72
Warrant
Warrants	118,835	118,585	19,865
Wtd. Avg. Life	1 year
Wtd. Avg. Exercise Price	$ 6.38	$ 99.26	$ 99.26
Warrant \| Range One
Range of Exercise Prices, lower limit	$ 0.00
Range of Exercise Prices, upper limit	$ 10.00
Warrants	118,585
Wtd. Avg. Life	4 years
Wtd. Avg. Exercise Price	$ 6.30
Warrant \| Range Two
Range of Exercise Prices, lower limit	$ 10.00
Range of Exercise Prices, upper limit	$ 50.00
Warrants	250
Wtd. Avg. Life	1 year
Wtd. Avg. Exercise Price	$ 43.60

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.

+ References

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

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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