Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Stock-Based Compensation [Abstract]
Shares, Outstanding at beginning of year	621,396
Shares Granted
Shares Exercised
Shares Expired
Shares Cancelled or Forfeited		(7,560)
Shares, Outstanding at end of year	621,396
Shares, Expected to vest	333,331
Shares, Exercisable at end of period	288,065
Weighted Average Exercise Price, Beginning Balance	$ 1.56
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired
Weighted Average Exercise Price, Cancelled or Forfeited
Weighted Average Exercise Price, Ending Balance	$ 1.56
Weighted Average Exercise Price, Expected to Vest	$ 1.40
Weighted Average Exercise Price, Exercisable at end of period	$ 1.74
Outstanding at end of period	8 years 2 months 12 days
Expected to vest	8 years 3 months 18 days
Exercisable at end of period	8 years
Intrinsic value, Outstanding at end of year
Intrinsic value, Expected to vest
Intrinsic Value Exercisable at end of period

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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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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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.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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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 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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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options that are 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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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options 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 option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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

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