STOCK BASED COMPENSATION (Details 2) (USD $)	3 Months Ended
Mar. 31, 2013
Outstanding Options, Number of Shares
Outstanding at the beginning of the period (in shares)	317,270
Granted (in shares)	60,000
Outstanding at the end of the period (in shares)	377,270
Exercisable at the end of the period (in shares)	293,186
Outstanding Options, Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 24.62
Granted (in dollars per share)	$ 2.85
Outstanding at the end of the period (in dollars per share)	$ 21.16
Exercisable at the end of the period (in dollars per share)	$ 25.96
Outstanding Options, Weighted Average Remaining Contractual Term (in years)
Outstanding at the end of the period	4 years 2 months 12 days
Exercisable at the end of the period	2 years 8 months 12 days

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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.

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

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

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