Stock-Based Compensation (Details) (USD $)	6 Months Ended
Jun. 30, 2012
Summary of the combined activity under all of the stock option plans
Number of options outstanding, Outstanding at January 1, 2012	19,324
Number of options outstanding granted	1,460,000
Number of options outstanding cancelled or expired	(8,124)
Number of options outstanding exercised
Number of options outstanding, Outstanding at June 30, 2012	1,471,200
Share based compensation weighted average exercise price, Outstanding at January 1, 2012	$ 92.19
Share based Compensation weighted average exercise price granted	$ 4.26
Share based compensation weighted average exercise price, expired/forfeited	$ 69.36
Share based compensation weighted average exercise price exercised
Share based compensation weighted average exercise price, Outstanding at June 30, 2012	$ 6.79

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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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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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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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