Shareholders' Equity (Stock Options Activity) (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock Options, Number of Shares [Roll Forward]
Stock Options, Shares Outstanding at Beginning of Year	1,125	2,742	3,658
Stock Options, Shares Granted	54,060	0	0
Stock Options, Shares Assumed	0	0	78
Stock Options, Shares Exercised	0	0	0
Stock Options, Shares Forfeited/Expired	(484)	(1,617)	(994)
Stock Options, Shares Outstanding at End of Year	54,701	1,125	2,742
Stock Options, Weighted Average Exercise Price [Roll Forward]
Stock Options, Oustanding at Beginning of Year, Weighted Average Exercise Price (in usd per share)	$ 1,963.29	$ 1,821.79	$ 1,857.00
Stock Options, Granted, Weighted Average Exercise Price (in usd per share)	$ 7.86	$ 0.00	$ 0.00
Stock Options, Assumed, Weighted Average Exercise Price (in usd per share)	$ 0.00	$ 0.00	$ 267.53
Stock Options, Exercised, Weighted Average Exercise Price (in usd per share)	$ 0.00	$ 0.00	$ 0.00
Stock Options, Forfeited/Expired, Weighted Average Exercise Price (in usd per share)	$ 2,156.98	$ 1,723.34	$ 1,829.09
Stock Options, Oustanding at End of Year, Weighted Average Exercise Price (in usd per share)	$ 29.06	$ 1,963.29	$ 1,821.79
Stock Options, Exercisable at End of Year
Stock Options, Shares Exercisable at End of Year	641	1,125	2,711
Stock Options, Exercisable at End of Year, Weighted Average Exercise Price (in usd per share)	$ 1,817.04	$ 1,963.29	$ 1,825.85

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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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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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The addition or reduction in the number of reserved shares that could potentially be issued under the option plan attributable to reasons other than grants, exercises, forfeitures, and expirations during the reporting period.

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Number of options outstanding, including both vested and non-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 per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average price at which grantees could acquire or could have acquired the underlying shares with respect to any other type of change in shares reserved for issuance.

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

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