STOCK BASED COMPENSATION (Details 2) (USD $)	6 Months Ended
Jun. 30, 2013
Outstanding Options, Number of Shares
Outstanding at the beginning of the period (in shares)	317,270
Granted (in shares)	60,000
Canceled or forfeited (in shares)	72,791
Outstanding at the end of the period (in shares)	304,479
Exercisable at the end of the period (in shares)	226,980
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
Canceled or forfeited (in dollars per share)	$ 25.90
Outstanding at the end of the period (in dollars per share)	$ 20.02
Exercisable at the end of the period (in dollars per share)	$ 25.57
Outstanding Options, Weighted Average Remaining Contractual Term (in years)
Outstanding at the end of the period	4 years 3 months 22 days
Exercisable at the end of the period	2 years 6 months 4 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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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

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No definition available.

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

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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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